Top Open Source Projects using Jest
A curated collection of the 147 best free and open-source projects built using Jest. Discover popular repositories, architecture patterns, and trending software in 2026.
Waterfox
NOASSERTIONFirefox-based browser with built-in ad blocking, oblivious DNS, zero telemetry, tree-style tabs, and no AI features sending your data anywhere.
Worklenz
AGPL-3.0Worklenz is a comprehensive project management platform that helps agencies organize tasks, track resources, and boost productivity.
Comp AI
AGPL-3.0AI-driven compliance platform that automates evidence collection, policy generation, and continuous monitoring across 580+ integrations for SOC 2, ISO 27001, HIPAA, and GDPR.
Chroma
Apache-2.0Open-source vector database designed for AI applications. Store, search, and retrieve embeddings with semantic similarity matching and metadata filtering.
Usertour
NOASSERTIONOpen-source platform for building interactive product tours, tooltips, and in-app guides to improve user engagement and feature adoption without complex coding
Silex
AGPL-3.0An online tool for visually creating static sites with dynamic data. With the free/libre spirit of internet, together.
Spacedrive
NOASSERTIONA cross-platform file manager that unifies your devices into a seamless, organized digital workspace.
OpenWebAnalytics
GPL-2.0Open-source web analytics platform offering comprehensive visitor tracking, customizable dashboards, and data ownership for websites and applications.
Open Mercato
MITA modular CRM/ERP framework built on Next.js and TypeScript that encodes hundreds of architectural decisions so dev teams can ship production features in days, not months.
GPT4All
MITGPT4All runs open-source language models locally on Windows, macOS, and Linux with no cloud dependency, keeping your data on your machine.
LiteLLM
NOASSERTIONActs as a unified proxy across 100+ LLMs, normalizing them to the OpenAI format while handling virtual keys, budgets, rate limits, fallbacks, and cost tracking.
Langflow
MITBuild, deploy, and iterate on AI agents, RAG applications, and MCP servers using a drag-and-drop visual interface backed by Python.
Instant
Apache-2.0Instant is a database solution for building real-time and offline-enabled applications, simplifying the development of collaborative products.
Harness
Apache-2.0Streamline code delivery with an open-source CI/CD platform featuring Git integration, fast pipelines, and hosted development environments.
Gravitee
Apache-2.0Full-lifecycle API management platform that unifies synchronous and asynchronous ecosystems. Manage APIs, event streams, and AI agents with enterprise security and 4x faster gateway performance.
Flipt
NOASSERTIONA feature flag platform that integrates with Git workflows, enabling developers to manage features directly in their codebase.
Flowglad
NOASSERTIONConnects client data across tools, automates recurring accounting workflows, and maintains a self-updating knowledge base with human approval controls.
Filestash
AGPL-3.0Filestash is an open-source file manager that integrates with multiple storage backends, authentication systems, and offers customization options.
Firecrawl
AGPL-3.0API for AI agents to search, scrape, crawl, and interact with the live web, returning clean Markdown, structured JSON, or screenshots from any page.
Contentport
AGPL-3.0Create, schedule & manage Twitter content at scale with AI assistance, beautiful visuals, and multi-account support. Perfect for busy founders.
Beekeeper Studio
NOASSERTIONA user-friendly SQL editor and database manager supporting MySQL, PostgreSQL, SQLite, SQL Server and more with full feature parity across operating systems.
Authgear
Apache-2.0Authgear is a managed IAM platform handling authentication, SSO, and user management for B2C and B2B apps, with biometrics, MFA, and zero-trust support.
Windmill
NOASSERTIONPowerful, self-hosted platform for building and running workflows, scripts, and apps with code-first approach and collaborative features.
VerifyWise
NOASSERTIONOpen-source AI governance platform helping teams meet regulatory standards like EU AI Act and ISO 42001. Monitor model performance, manage risks, and maintain compliance with enterprise-grade security.
Pluton
Apache-2.0Free, open-source backup solution with end-to-end encryption. Self-hosted control, supports 70+ cloud providers, automated incremental backups, and zero vendor lock-in.
Bruno
MITA modern, user-friendly API client that simplifies API testing and development with a clean interface and powerful features.
Twake Drive
AGPL-3.0Open source encrypted data storage solution offering secure file sharing, collaboration tools, and on-premises deployment for professional teams.
Twenty
NOASSERTIONSelf-hostable CRM built for technical teams who need a fully customizable, extensible platform without vendor lock-in or proprietary tooling.
Tracecat
AGPL-3.0Tracecat is a scalable, self-hostable platform for automating security workflows and playbooks without limits.
Trench
MITOpen source analytics platform built on ClickHouse and Kafka, offering high-speed event tracking and real-time querying capabilities.
Quiet
GPL-3.0Quiet is a peer-to-peer messaging app that syncs messages directly between devices over Tor, with no central server, no phone number required, and no metadata leaks.
TinaCMS
Apache-2.0A headless CMS that simplifies content management with real-time editing, Git-based workflows, and developer-friendly customization.
ToolJet
AGPL-3.0Open-source low-code platform for creating custom internal tools, dashboards, and admin panels with a drag-and-drop interface
Temps
Apache-2.0Self-hosted platform for small dev teams combining deployments, error tracking, analytics, session replay, uptime monitoring, and managed databases in one dashboard.
Swetrix
AGPL-3.0Privacy-first web analytics with real-time dashboards, session replays, error tracking, A/B testing, and GDPR compliance out of the box. No cookies, no consent banners.
Apache Superset
Apache-2.0Connect any SQL database, build charts with drag-and-drop or raw SQL, and publish interactive dashboards without writing application code.
Strapi
NOASSERTIONTypeScript headless CMS that generates REST and GraphQL APIs from your content model, with a no-code builder, plugin system, and full self-hosting support.
Standard Notes
AGPL-3.0Cross-platform note-taking app with end-to-end encryption, offline access, and powerful organization features for privacy-conscious users.
Spliit
MITA user-friendly app for tracking shared expenses, settling debts, and managing group finances with ease and transparency.
Splitpro
MITFree, open-source expense sharing app with multi-currency support, unequal splits, and receipt uploads. Import from Splitwise and enjoy PWA functionality.
Soketi
AGPL-3.0Open-source, Pusher-compatible WebSockets server that's simple, fast, and resilient for building real-time applications.
Shopware
MITA flexible and customizable ecommerce solution that enables businesses to build responsive online stores with advanced features and automation capabilities.
SigNoz
NOASSERTIONComprehensive monitoring and troubleshooting solution for microservices architectures, offering metrics, traces, and logs in a single pane.
Sentry
NOASSERTIONDetect, diagnose, and resolve software issues quickly with powerful error tracking, performance monitoring, and release management.
Scalar
MITScalar is an open-source tool for building, customizing, and hosting interactive API documentation with OpenAPI support.
Rocket.Chat
NOASSERTIONOpen source communication platform combining messaging, voice, video, and AI for organizations that need full data control, air-gapped deployments, and zero-trust security.
Refine
MITA React-based framework for rapid development of internal tools, admin panels, and dashboards with powerful data handling capabilities.
Quickwit
Apache-2.0High-performance search engine designed for big data, offering scalability, real-time indexing, and cost-effective operations.
Quant-UX
GPL-3.0Quant-UX is an open-source tool for creating interactive prototypes, conducting user tests, and analyzing results to improve UX design.
Prometheus
Apache-2.0Pull-based monitoring system with a multi-dimensional data model, PromQL query language, built-in alerting, and a time series database built for cloud native environments.
Proton Lumo
GPL-3.0AI chat assistant from Proton that stores conversations with zero-access encryption, never logs chats, and never uses your data to train models.
Portkey AI Gateway
MITComprehensive AI platform with gateway, observability, guardrails, and prompt management. Access 1,600+ LLMs via unified API with enterprise-grade security.
Polar
Apache-2.0Comprehensive payment solution with built-in tax handling, automated benefits, and seamless integrations for digital product and SaaS businesses.
Plausible
AGPL-3.0Simple, open-source web analytics tool that respects user privacy and provides valuable insights without compromising data protection.
Postiz
AGPL-3.0Self-hostable social media scheduler that lets you plan, generate, and publish content across 30+ networks with AI assistance, team collaboration, and automation integrations.
PostHog
NOASSERTIONAll-in-one product analytics platform. Track user behavior, run experiments, and make data-driven decisions to grow your product.
Planka
NOASSERTIONSelf-hosted Kanban board for agile teams. Unlimited boards, real-time sync, GDPR-compliant, and available as a free Community Edition or paid Pro.
Phase
NOASSERTIONOpen source platform for engineering teams to manage secrets and environment variables from development to production, with powerful integrations.
Payload
MITA powerful, flexible, and developer-friendly content management system that prioritizes customization and scalability.
PearPass
NOASSERTIONOpen-source password manager with peer-to-peer syncing, local storage, and end-to-end encryption. No cloud servers, complete privacy control across devices.
Paperless-home
GPL-3.0A powerful open-source solution for managing, organizing, and searching your digital documents with ease and efficiency.
Orbital
NOASSERTIONAutomated data integration platform that connects APIs, databases, and event streams using semantic schemas. Deploy secure integrations in minutes with Git-based workflows.
Operately
NOASSERTIONOperately is an open source platform that centralizes projects, goals, and processes, helping startups run efficiently without a COO.
OpenReplay
NOASSERTIONOpen-source session replay and product analytics platform you can self-host for complete control over data security, privacy, and compliance.
OpenObserve
AGPL-3.0Monitor logs, metrics, and traces with an open-source observability platform. Achieve petabyte scale with 140x lower storage costs and high performance.
OpenLIT
Apache-2.0Open-source observability platform for GenAI and LLM applications. Real-time monitoring, distributed tracing, prompt management, and AI model evaluation built on OpenTelemetry.
Onyx
NOASSERTIONAn open-source platform that connects to 40+ apps to provide intelligent search and AI assistance across all company information
OneUptime
Apache-2.0All-in-one solution for uptime monitoring, incident management, and status pages to keep your services running smoothly
Novu
NOASSERTIONOpen-source platform for building in-app, email, push, SMS, and chat notifications with a unified API, workflow engine, and embeddable inbox component.
Notesnook
GPL-3.0End-to-end encrypted note-taking app with zero-knowledge architecture, cross-device sync, web clipper, and a self-hostable sync server.
NocoDB
NOASSERTIONConvert any database into a no-code platform with spreadsheet interface. Connect PostgreSQL/MySQL or use hosted database. Scale to millions of rows effortlessly.
Metabase
NOASSERTIONOpen-source business intelligence platform for data exploration, visualization, and sharing. Empowers teams to make data-driven decisions effortlessly.
Mezon
Build your own community space for gaming, chatting, and hanging out with friends worldwide. Customize your environment for the perfect social experience.
Mermaid
MITCreate flowcharts, sequence diagrams, Gantt charts, and more using a simple Markdown-like syntax that renders anywhere.
mCaptcha
AGPL-3.0Privacy-focused proof-of-work CAPTCHA system that silently protects websites without tracking users or requiring image solving. Drop-in replacement for reCAPTCHA.
Medusa
NOASSERTIONFlexible, customizable e-commerce platform with headless architecture, built-in features, and extensive plugin ecosystem for scalable online stores.
Mem0
Apache-2.0Adds persistent, searchable memory to AI agents and apps, so they remember user preferences and past interactions across sessions without pipeline changes.
Mattermost
NOASSERTIONMattermost provides a flexible, open-source platform for secure team collaboration, designed for organizations with strict security and privacy requirements.
LostPixel
MITAutomated visual testing tool that detects UI changes, ensures consistency, and accelerates development workflows.
Logto
MPL-2.0An open-source identity solution offering customizable login experiences, multi-tenant support, and comprehensive user management.
Linkwarden
AGPL-3.0Open-source platform to collect, organize, and preserve webpages with powerful collaboration features
LimeSurvey
NOASSERTIONLimeSurvey is a powerful open-source tool for creating customizable online surveys, polls, and questionnaires.
LibreChat
MITChat with multiple AI providers through a single self-hostable interface, with support for custom agents, file uploads, plugins, and multi-user access control.
Languine
MITA developer-focused localization platform that automates translation workflows within your existing development pipeline and CI/CD processes.
Kodus
NOASSERTIONOpen source AI code reviewer that analyzes pull requests for quality, security, and performance while respecting your existing rules and model preferences.
Keyshade
MPL-2.0Secure secret management platform with public key encryption, automated rotation, versioning, and real-time collaboration tools for development teams.
Keep
NOASSERTIONOpen-source platform for centralizing alerts, automating responses, and enhancing incident management across your tech stack.
Joplin
NOASSERTIONCross-platform note-taking app with end-to-end encryption, Markdown support, web clipping, and sync via Dropbox, OneDrive, or Joplin Cloud.
Jitsu
MITCollect, transform, and sync data across your entire infrastructure with a flexible, code-based approach to data integration.
Lemmy
AGPL-3.0Open-source forum and link aggregator that connects communities across the fediverse. Self-hosted, ad-free, with powerful moderation tools and federation.
Jarvis
MITFree, open-source macOS voice assistant that transcribes speech, applies AI transformations, and controls apps hands-free. No subscription, no training required.
itsnotes
MITA self-hosted, open-source note-taking app that keeps the Google Keep sticky-note feel while adding folders, timelines, list views, and import support.
Huly
EPL-2.0Combines project management, team chat, virtual office, and collaborative docs into a single platform. A self-hostable alternative to Linear, Jira, Slack, and Notion.
Horilla
LGPL-2.1Horilla is a free, open-source HRMS that streamlines HR processes, from recruitment to offboarding, with customizable modules.
HyperDX
MITOpen source observability platform unifying session replays, logs, traces, metrics and errors. Fast search, automatic clustering, $0.40/GB pricing.
Hoppscotch
MITLightweight, fast, and feature-rich API client for developers. Test, debug, and document APIs with ease in a clean, modern interface.
Highlight
NOASSERTIONComprehensive monitoring solution offering error tracking, session replay, and performance insights for seamless debugging and optimization.
Hexabot
NOASSERTIONHexabot is an open-source platform for creating intelligent, multilingual chatbots without coding complexity.
HeyForm
AGPL-3.0A versatile form builder for crafting custom surveys, quizzes, and data collection tools with advanced features and integrations.
Hook0
NOASSERTIONSelf-hosted webhook solution for effortless event-driven communication between applications, enhancing system interoperability and automation.
Helicone
Apache-2.0Open-source platform for logging, monitoring, and debugging LLM applications. Route, debug, and analyze AI apps with comprehensive observability tools.
Hanko
NOASSERTIONOpen source authentication platform supporting passkeys, 2FA, SSO, and social login. Self-host or use Hanko Cloud, with full control over your data and no lock-in.
Hatchet
MITDurable orchestration platform for managing AI agents, scheduling background tasks, and running mission-critical workflows.
Grafana
AGPL-3.0Grafana unifies metrics, logs, traces, profiles, and business data into one OpenTelemetry-native platform with AI-assisted root cause analysis and adaptive cost controls.
GrowthBook
NOASSERTIONPowerful, developer-friendly experimentation tool for data-driven product decisions. Seamless integration, real-time insights, and flexible deployment.
Cal.com
MITCal.diy is the community edition of Cal.com for personal self-hosting, with calendar sync, video conferencing, payment support, and a REST API.
GoRules
MITModel business logic in decision tables, visual flows, and natural-language rules. Change rules without deploys, test every path, and run the same engine anywhere.
GitLab
NOASSERTIONA comprehensive AI-powered DevSecOps platform that integrates development, security, and operations, streamlining software delivery and enhancing productivity.
Ghostfolio
AGPL-3.0Open-source wealth management software for tracking stocks, ETFs, and cryptocurrencies across multiple portfolios
GDevelop
NOASSERTIONFree, open-source game engine with visual event system, AI tutor, and one-click publishing to Steam, iOS, Android, and web platforms.
Ever Gauzy
AGPL-3.0All-in-one solution for ERP, CRM, HRM, ATS, and project management to streamline your business operations
Freeter
GPL-3.0Organize projects, tasks, and resources in customizable workspaces. Boost productivity with a unified interface for all your work.
Flowise AI
NOASSERTIONOpen source platform for building AI agents, chatbots, and multi-agent systems using a drag-and-drop interface, with support for 100+ LLMs and RAG.
Flagsmith
BSD-3-ClausePowerful feature management platform for seamless software releases, A/B testing, and personalized user experiences.
Firecamp
AGPL-3.0All-in-one platform for API testing, documentation, and collaboration, simplifying the entire API development lifecycle.
Featurevisor
MITFeaturevisor is an open-source tool for managing feature flags, experiments, and remote configuration directly from your Git repository.
Fider
AGPL-3.0A self-hosted community feedback tool that helps organizations gather, discuss, and prioritize user suggestions and feature requests.
Expensify
MITAutomate expense reporting, reimbursements, and corporate card management with real-time data sync and powerful integrations.
Ever Teams
AGPL-3.0Ever Teams offers an all-in-one solution for work management, time tracking, and team collaboration with integrations for popular tools.
Element
AGPL-3.0Open-source platform for encrypted communication, file sharing, and collaboration based on the Matrix protocol.
Apache Druid
Apache-2.0Columnar, time-indexed analytics database built for streaming and batch data at scale, handling billions to trillions of rows with millisecond query response times.
dstack
MPL-2.0Unified control plane for AI compute that provisions and schedules GPU workloads across any cloud, Kubernetes cluster, or bare-metal server.
Dyrector
Apache-2.0Effortless container orchestration platform for seamless deployment, management, and monitoring of applications across multiple environments.
Docs
MITTransform document collaboration with real-time editing, version control, and secure sharing features that enhance team productivity and communication.
Docmost
AGPL-3.0Self-hosted wiki platform for enterprise teams with real-time collaboration, built-in AI, SSO, RBAC permissions, and compliance support for ITAR, FedRAMP, and GDPR.
Dittofeed
MITDittofeed offers low-code tools for message automation across multiple channels, including powerful segmentation and personalization features.
Cube
NOASSERTIONCube is a universal semantic layer that connects data sources to analytics tools, providing consistent definitions and fast queries.
CourseLit
AGPL-3.0An open-source platform for building and selling online courses, featuring customizable themes, integrated payments, and user management.
Continue
Apache-2.0Runs source-controlled AI checks on every pull request, enforcing your engineering standards as native GitHub status checks with suggested fixes.
Convex
NOASSERTIONOpen-source reactive database that keeps your web and mobile apps in sync. Write everything in TypeScript with built-in auth, cron jobs, and AI integration.
ClassroomIO
AGPL-3.0Open source LMS designed for companies and training organizations. Create, manage, and deliver courses with AI support, customizable dashboards, and collaborative features.
Checkmate
AGPL-3.0Monitor servers, websites, Docker containers, and infrastructure with real-time insights, instant alerts, and powerful analytics. Self-hosted solution.
Ceph
NOASSERTIONCeph provides unified object, block, and file storage from a single cluster built on commodity hardware.
Builder
MITDrag-and-drop interface for creating and optimizing digital experiences, with headless CMS and powerful integrations.
Budibase
NOASSERTIONLow-code platform for creating custom business applications quickly. Design, automate, and deploy with ease.
Pearl
Apache-2.0Connect all your apps through Pearl, an AI assistant that automates workflows directly in Slack. No coding required - save 10+ hours weekly with intelligent task automation.
Bluesky
MITA decentralized social network focused on fostering meaningful interactions and giving users control over their data and experience.
Baserow
NOASSERTIONOpen-source platform for building databases, internal apps, and automated workflows without writing code. Available on cloud or self-hosted.
Ballerine
NOASSERTIONReduce fraud, accelerate underwriting, and maintain compliance with AI-driven merchant risk intelligence for PSPs, banks, and fintechs.
Bigcapital
AGPL-3.0Cloud-based accounting software that streamlines bookkeeping, generates intelligent reports, and offers multi-currency support for efficient financial management.
Azimutt
MITAzimutt is a powerful tool for seamlessly exploring, documenting, and optimizing large and complex databases.
AnythingLLM
MITA desktop and self-hostable AI app for chatting with documents, running local LLMs, and using AI agents without writing code or creating an account.
AppSmith
Apache-2.0Low-code platform for creating powerful internal tools and dashboards with drag-and-drop ease, robust integrations, and customizable workflows.
AITable
AGPL-3.0Visual database and workflow automation tool with AI-powered features and 6,000+ app integrations

5ire
NOASSERTIONOpen-source cross-platform desktop AI assistant with MCP support and local knowledge base

Redash
BSD-2-ClauseRedash is an open-source data visualization and analytics platform that helps teams make sense of their data through SQL queries and interactive dashboards.
WooCommerce
Build and manage online stores with customizable features, extensions, and themes for businesses of all sizes.