Top Open Source Projects using Yarn
A curated collection of the 103 best free and open-source projects built using Yarn. 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.
Tldraw
NOASSERTIONVirtual whiteboard that works instantly on any device, no signup required, with real-time multiplayer collaboration built in.
Suprascribe
AGPL-3.0Free subscription tracker that automatically scans your email to find recurring charges. Privacy-focused discovery with complete spending overview and management tools.
Plasmic
MITOpen-source visual editor for building websites and web apps. Connect to any data source, design custom UIs, and ship production React code without leaving your stack.
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.
NocoBase
NOASSERTIONOpen-source no-code platform for creating tailored business applications quickly, with full customization and easy deployment options.
Mage
Apache-2.0Open-source data pipeline platform for effortless data integration, transformation, and orchestration using Python, SQL, and R.
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.
Outline
NOASSERTIONTeam knowledge base with real-time collaboration, AI-powered search, Slack integration, and self-hosting support for internal docs and wikis.
Grist
Apache-2.0A versatile data management platform combining spreadsheet simplicity with relational database capabilities for efficient data organization and analysis.
Firefiles
AGPL-3.0Firefiles is an open-source alternative to Dropbox that lets you manage files across multiple cloud storage providers through a single interface.
Docuseal
AGPL-3.0Self-hostable e-signature platform for creating, sending, and signing PDF forms with automatic digital signatures, a REST API, and embeddable components.
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.
Workadventure
Create customizable virtual workspaces for remote teams to interact naturally, host events, and collaborate through spontaneous conversations and scheduled meetings.
Weblate
GPL-3.0Web-based continuous localization platform with version control integration, quality checks, and clean interface. Used by 2,500+ projects in 165+ countries.
Webiny
NOASSERTIONA powerful, scalable platform for building custom websites and apps with serverless architecture, offering flexibility and cost-efficiency.
Wallabag
MITSelf-hosted web article archiving tool that extracts content for comfortable reading. Import from Pocket, Instapaper. Open source with API access.
Voiden
Apache-2.0Offline-first API workspace that unifies specs, docs, tests, and mocks in programmable Markdown blocks. Version control everything in plain text files.
Wakapi
MITOpen-source, self-hosted time tracking solution for developers. Analyze coding habits, improve productivity, and visualize progress.
Plunk
AGPL-3.0Plunk unifies marketing, transactional, and broadcast emails into a single, complete solution for businesses of all sizes.
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.
Trigger
Apache-2.0Open source TypeScript platform for building and deploying AI agents and background workflows with retries, queues, observability, and elastic scaling.
Terrateam
MPL-2.0Automate infrastructure changes with secure GitOps workflows. Plan, validate, and deploy Terraform, OpenTofu, and Pulumi directly from pull requests.
Tabby
NOASSERTIONSelf-hosted AI coding assistant that enhances productivity with context-aware suggestions and privacy-focused implementation.
Tailscale
BSD-3-ClauseDeploy a modern WireGuard-based VPN with zero configuration. Connect devices securely across clouds, VPCs, and on-premises networks without firewall rules.
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.
StatusScout
NOASSERTIONMonitor website uptime, detect security vulnerabilities, find broken links, and simulate user flows. Get instant alerts when issues arise. Free tier available.
Standard Notes
AGPL-3.0Cross-platform note-taking app with end-to-end encryption, offline access, and powerful organization features for privacy-conscious users.
Financial Freedom
GPL-3.0Self-hosted alternative to Mint and YNAB for budgeting and building wealth while maintaining full control of your financial data.
Semaphore
NOASSERTIONContinuous integration and delivery platform offering faster builds, lower costs, and maintenance-free operations. Cut build times dramatically while reducing CI/CD expenses by 50%.
Ryot
GPL-3.0Ryot is a versatile platform for effortlessly tracking media, fitness, and more, replacing manual methods like spreadsheets.
Rowy
NOASSERTIONA low-code platform for creating robust backends, complete with a spreadsheet UI for easy data management and custom functions.
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.
Quickwit
Apache-2.0High-performance search engine designed for big data, offering scalability, real-time indexing, and cost-effective operations.
Pulumi
Apache-2.0Pulumi enables developers to define and manage cloud infrastructure using familiar programming languages instead of domain-specific languages.
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.
Permify
AGPL-3.0Open-source authorization service for implementing fine-grained access controls. Centralized, scalable solution supporting RBAC, ABAC and ReBAC with Google Zanzibar-inspired architecture.
Phase
NOASSERTIONOpen source platform for engineering teams to manage secrets and environment variables from development to production, with powerful integrations.
OpenReplay
NOASSERTIONOpen-source session replay and product analytics platform you can self-host for complete control over data security, privacy, and compliance.
Opengrep
LGPL-2.1Opengrep is a community-driven fork of SemgrepCE, providing accessible static code analysis and security scanning for developers.
Nitric
Apache-2.0Nitric automates cloud infrastructure provisioning from your application code for AWS, GCP and Azure
Drupal
A flexible and extensible content management system for creating dynamic websites and digital experiences
Mezon
Build your own community space for gaming, chatting, and hanging out with friends worldwide. Customize your environment for the perfect social experience.
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.
LosslessCut
GPL-2.0Desktop app for lossless video and audio editing. Cut, trim, merge, and remux files in seconds without re-encoding, using FFmpeg under the hood.
Linkwarden
AGPL-3.0Open-source platform to collect, organize, and preserve webpages with powerful collaboration features
Listmonk
AGPL-3.0Send email campaigns and transactional messages to millions of subscribers with a single high-performance binary backed by Postgres.
LimeSurvey
NOASSERTIONLimeSurvey is a powerful open-source tool for creating customizable online surveys, polls, and questionnaires.
Kodus
NOASSERTIONOpen source AI code reviewer that analyzes pull requests for quality, security, and performance while respecting your existing rules and model preferences.
Khoj
AGPL-3.0Self-hostable AI assistant that connects to your docs and the web, lets you build agents, schedule automations, and run research with verifiable citations.
Kan
AGPL-3.0Free kanban project management with unlimited boards, lists, and cards. Import Trello boards, collaborate with teams, and self-host for complete control.
Joplin
NOASSERTIONCross-platform note-taking app with end-to-end encryption, Markdown support, web clipping, and sync via Dropbox, OneDrive, or Joplin Cloud.
Mastodon
AGPL-3.0A free, open-source social media platform that puts users in charge of their data and connections
Jan
NOASSERTIONJan runs open-source AI models on your own hardware or connects to cloud providers like OpenAI, Anthropic, and Google, keeping your conversations off third-party servers.
HyperDX
MITOpen source observability platform unifying session replays, logs, traces, metrics and errors. Fast search, automatic clustering, $0.40/GB pricing.
Hi.Events
NOASSERTIONHi.Events is a comprehensive platform for event management and online ticket sales, offering features like QR code check-in, custom ticket types, and embeddable widgets.
Highlight
NOASSERTIONComprehensive monitoring solution offering error tracking, session replay, and performance insights for seamless debugging and optimization.
Hoodik
NOASSERTIONLightweight, self-hosted cloud storage built with Rust and Vue.js. Features end-to-end encryption, file sharing, search capabilities, and Docker deployment.
Helicone
Apache-2.0Open-source platform for logging, monitoring, and debugging LLM applications. Route, debug, and analyze AI apps with comprehensive observability tools.
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.
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.
Kap
MITCapture, edit, and share your screen with ease. Create stunning GIFs and videos for tutorials, demos, and bug reports.
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
Frontman
NOASSERTIONOpen-source AI coding agent that runs in your browser, sees your live DOM and app state, and makes real code edits from plain English descriptions.
Frappe Helpdesk
AGPL-3.0Frappe Helpdesk consolidates customer issues, automates workflows, and empowers self-service to boost agent productivity and customer satisfaction.
Frappe Insights
AGPL-3.0Connect multiple data sources, build complex queries, create insightful visualizations, and organize powerful dashboards to make informed business decisions.
Frappe Books
AGPL-3.0A user-friendly desktop accounting software that helps businesses manage invoices, track expenses, and handle bookkeeping with a modern interface.
Frappe Builder
MITFrappe Builder is an open-source, low-code website builder that enables users to create beautiful, responsive websites with an intuitive visual interface.
Frappe CRM
AGPL-3.0A flexible and customizable CRM platform for managing contacts, deals, and customer relationships without the complexity or user-based pricing of traditional solutions.
Bacalhau
Apache-2.0Bacalhau is an open-source platform for fast, cost-effective, and secure distributed computing, seamlessly integrating with Docker and WebAssembly workflows.
Excalidraw
MITVirtual whiteboard for sketching diagrams, flowcharts, and wireframes with a distinctive hand-drawn look. Real-time collaboration built in.
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.
ERPNext
GPL-3.0Open-source ERP solution offering modules for accounting, inventory, HR, CRM, and more. Customizable and scalable for businesses of all sizes.
Docs
MITTransform document collaboration with real-time editing, version control, and secure sharing features that enhance team productivity and communication.
Dittofeed
MITDittofeed offers low-code tools for message automation across multiple channels, including powerful segmentation and personalization features.
Deta Surf
Apache-2.0A browser that doubles as a personal notebook, letting you research, summarize, and take notes on web pages, PDFs, and videos without switching apps.
Cube
NOASSERTIONCube is a universal semantic layer that connects data sources to analytics tools, providing consistent definitions and fast queries.
Crater
AGPL-3.0Crater offers AI-driven invoicing workflows, payments, and working capital tools to enhance your platform with minimal technical effort.
Chat2DB
NOASSERTIONAI-powered SQL client that converts natural language to SQL queries. Supports MySQL, Redis, MongoDB with Text2SQL, BI dashboards, and secure database management.
Chaskiq
NOASSERTIONVersatile messaging solution for businesses to engage customers through multiple channels, with AI-powered automation and analytics.
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.
Bluesky
MITA decentralized social network focused on fostering meaningful interactions and giving users control over their data and experience.
Browser Operator
BSD-3-ClausePrivacy-focused AI browser with intelligent agents for research, analysis, and workflow automation. Features unified memory, compliance guardrails, and seamless integrations.
Baserow
NOASSERTIONOpen-source platform for building databases, internal apps, and automated workflows without writing code. Available on cloud or self-hosted.
Automatisch
NOASSERTIONSelf-hosted automation tool that connects your apps and services, enabling powerful integrations and efficient data flow across your ecosystem.
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.
Affine
NOASSERTIONOpen-source Notion & Miro alternative with docs, whiteboards, databases, and AI in one local-first workspace
Actual
MITPrivacy-focused envelope budgeting app with local-first sync and end-to-end encryption
0 Finance
MITCLI-first banking platform for AI agents and autonomous workflows
Beaver Notes
MITA privacy-focused, offline-first note-taking app that stores everything on your device, with Markdown, note linking, file attachments, LaTeX math, and bring-your-own sync.
Warp
AGPL-3.0Terminal built for running AI coding agents like Claude Code, Codex, and Gemini CLI, with shared context, interactive code review, and multi-session management.
NHost
MITFully managed backend infrastructure with built-in authentication, database, storage, and serverless functions for rapid application development.
