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8 Best Open Source Smartsheet Alternatives

A curated collection of the 8 best open source and self-hosted alternatives to Smartsheet in 2026.

Looking for a free, privacy-friendly, or self-hosted replacement for Smartsheet in 2026? The top open-source alternative is Baserow — Open-source platform for building databases, internal apps, and automated workflows without writing code. Available on cloud or self-hosted..

Other highly rated open-source Smartsheet alternatives include Plane, Budibase and OpenProject.

5,734

Open-source platform for building databases, internal apps, and automated workflows without writing code. Available on cloud or self-hosted.

Baserow preview

Open-source platform for building databases, internal apps, and automated workflows without writing code. Available on cloud or self-hosted.

58,381

Open source project management platform combining issues, wikis, and AI agents in one workspace. Available on cloud, self-hosted, and air-gapped deployments.

Plane preview

Open source project management platform combining issues, wikis, and AI agents in one workspace. Available on cloud, self-hosted, and air-gapped deployments.

28,244

Low-code platform for creating custom business applications quickly. Design, automate, and deploy with ease.

Budibase preview

Low-code platform for creating custom business applications quickly. Design, automate, and deploy with ease.

15,953

Full-featured project management platform with Gantt charts, agile boards, time tracking, and team collaboration. Self-host or use managed cloud hosting.

OpenProject preview

Full-featured project management platform with Gantt charts, agile boards, time tracking, and team collaboration. Self-host or use managed cloud hosting.

11,460

Open-source software designed to streamline tasks, boost productivity, and enhance collaboration for teams of all types, including those with ADHD and neurodiversity.

Leantime preview

Open-source software designed to streamline tasks, boost productivity, and enhance collaboration for teams of all types, including those with ADHD and neurodiversity.

3,151

Worklenz is a comprehensive project management platform that helps agencies organize tasks, track resources, and boost productivity.

Worklenz preview

Worklenz is a comprehensive project management platform that helps agencies organize tasks, track resources, and boost productivity.

848

Self-hostable agile project management tool with Kanban and Scrum boards, sprint planning, issue tracking, and reporting for teams of any size.

Taiga preview

Self-hostable agile project management tool with Kanban and Scrum boards, sprint planning, issue tracking, and reporting for teams of any size.

15,576

Visual database and workflow automation tool with AI-powered features and 6,000+ app integrations

AITable preview

AITable.ai is a visual database and workflow automation platform that simplifies data organization and task automation for personal and enterprise use. It combines spreadsheet-like interfaces with database functionality, AI-powered analytics, and seamless integrations with over 6,000 apps via Zapier, Make, Pabbly, Activepieces, and Albato. - Visual Database Interface: Hybrid spreadsheet-database UI for intuitive data management - 6,000+ App Integrations: Connect with tools via Zapier, Make, Pabbly, Activepieces, and Albato - AI-Powered Analytics: Business Intelligence Copilot for data analysis and visualization - Automated Forms: One-click form creation with customizable pre-filled content for lead tracking - Workflow Automation: Code-free automation for repetitive tasks (Slack messages, emails, etc.) - AI Writing Assistant: Generate high-quality content for emails, ads, blogs, and more - Multi-View Workspaces: Organize work in lists, boards, tables, calendars, or mind maps - AI Customer Service Agent: Build custom ChatGPT-powered chatbots for support and sales AITable.ai is a cloud-based SaaS platform with no self-hosting option currently available. It offers API access for custom integrations and provides enterprise-grade security features.

About Smartsheet

Transform spreadsheets into dynamic work management platforms with automated workflows, real-time collaboration, and visual project tracking.