Open-source, self-hosted no-code/low-code platform to build internal tools and business applications with a data-model approach, workflows, permissions, and a plugin system.
23.9k stars2.8k forkslast commit Actively maintained

Pipefy is a no-code workflow management SaaS that automates business processes such as service requests, approvals and operations using customizable forms, pipelines, SLAs, automation rules and integrations.
Open-source, self-hosted no-code/low-code platform to build internal tools and business applications with a data-model approach, workflows, permissions, and a plugin system.
23.9k stars2.8k forkslast commit Actively maintained
WeKan is an open-source Kanban board app with real-time collaboration, boards/lists/cards, access controls, and multiple deployment options like Docker.

21.1k stars3k forksMITlast commit Actively maintained
Grist is a modern relational spreadsheet that combines spreadsheet usability with a database-style data model, supporting Python formulas, dashboards, and integrations.

11.6k stars622 forksApache-2.0last commit Actively maintained
Open-source, self-hostable project management with kanban/list views, GitHub sync, PostgreSQL backend and Docker/Helm deployment options.

8.6k stars716 forksMITlast commit Actively maintained
Kan is an open-source Trello alternative for kanban boards, cards, labels, comments, and team workspaces, with Trello import and self-hosting support.

5.5k stars454 forksAGPL-3.0last commit Actively maintained
Open-source form and data management platform with a drag-and-drop builder, embeddable form renderer, and REST API for submissions, resources, and workflows.

2.3k stars767 forksOSL-3.0last commit Actively maintained
Nextcloud Deck is a Kanban-style project and personal task management app for Nextcloud, with boards, cards, labels, comments, and file attachments.

1.4k stars350 forksAGPL-3.0last commit Actively maintained
REI3 is an open-source low-code platform to build multi-user business applications with forms, workflows, access controls, integrations, and self-hosted deployment options.

573 stars82 forkslast commit Actively maintained
Open source PHP/MySQL project management tool with a visual designer to build custom entities, workflows, and business processes beyond tasks and projects.

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Every option on this page is open source and free to run on your own hardware, so you own the data and there is no subscription to cancel. 8 of 9 shipped a commit in the last six months. Licences in this list: MIT, Apache-2.0, AGPL-3.0, OSL-3.0. In exchange you take on hosting, backups and updates yourself.
Browse everything in Project & Work Management.