Best open-source alternatives to monday.com

Plane is an open-source project management platform designed for teams that need to organize work without spending time managing the tool itself. It centers on issue tracking, cycle planning, modular project breakdowns, configurable views, pages for notes and ideas, and analytics for monitoring progress. The project supports both a hosted cloud offering and self-hosted deployment on users’ own infrastructure. Its README highlights an instance-admin “God mode” for configuring server-level settings, along with dedicated product and developer documentation for setup, usage, and contribution. The software is positioned for collaborative team use and includes a rich text workflow for capturing and converting ideas into actionable work.

Focalboard is an open source, multilingual project management application designed as an alternative to Trello, Notion, and Asana. It is self-hosted and aimed at people or teams who want to define, organize, track, and manage work in their own environment. The repository describes two standalone editions: a single-user personal desktop app for macOS, Windows, and Linux, and a multi-user personal server for development and personal use. It can be run from compiled desktop downloads, a locally built server, or via Docker, and its development workflow includes building the server and web app from source. The README also points to API documentation for integrating with its Boards API.

WeKan is an open-source kanban board application designed for people and teams who want a visual way to organize tasks and projects. The README positions it as a collaborative tool suitable for a personal todo list, holiday planning, or team-based project coordination, and emphasizes that users can self-host it on their own computer or server. The project provides several deployment paths, including Docker images, docker-compose, Snap, and source-based development setup. It also highlights a real-time interface, broad language support, and a public demo board. The README includes explicit runtime and resource guidance, such as Node.js 24.x and Meteor for development, along with minimum RAM and backup recommendations for production use.

OpenProject is a web-based project management application aimed at teams and organizations that need transparency, flexibility, and control over their data. It positions itself as an open source, enterprise-ready alternative to tools such as Jira, MS Project, Monday, Asana, and YouTrack, and it is intended for self-hosted deployments as well as enterprise use. The project covers a broad range of work management needs, including portfolios, agile workflows, roadmaps, task tracking, bug tracking, time reporting, and collaboration features such as wikis, forums, and meeting management. The README also highlights integrations with tools like Nextcloud, XWiki, GitHub, and GitLab, and points readers to installation guides and documentation for setup and usage.

Leantime is an open source project management system aimed at making planning and execution approachable for people who are not traditional project managers. It combines task tracking, project planning, knowledge management, and administration features in a single application, with an emphasis on usability and accessibility for users with ADHD, dyslexia, and autism in mind. The project appears to target teams that want a lightweight alternative to tools like Jira, ClickUp, Monday, or Asana while still covering a broad set of project workflows. It supports multiple views for managing work, project dashboards, wikis, goal tracking, and collaboration features, and it can be deployed either locally or through an official Docker image.

The to-do app to organize your life.

Nullboard is a compact, browser-based kanban board and task list manager aimed at people who want a fast, low-clutter way to organize work. It emphasizes simplicity over collaboration features, with an interface built around editable cards, list rearrangement, and keyboard-driven workflows. The project stores all data locally in the browser using localStorage and supports exporting/importing board data as JSON text files. It also supports automatic local backups through companion tools, and the README highlights multiple boards, undo/redo history, link handling, theming, and other usability-focused behaviors. The project is positioned as a desktop-oriented tool that can be used completely offline.

Tracks is a web-based Getting Things Done (GTD) application built on Ruby on Rails. It is aimed at users who want a structured personal productivity system for capturing, organizing, and tracking actionable items in a GTD-style workflow. The README emphasizes project resources such as the homepage, manual, installation wiki, issue tracker, mailing list, and hosted service. It also points users to upgrade guidance and recommends backing up data during upgrades, indicating that it can be self-hosted and maintained by the user or an administrator. The mention of hosted services and paid consulting suggests there is also a hosted deployment option available for those who do not want to run it themselves.

REI3 is a self-hosted low-code platform for creating business applications. It is aimed at teams and organizations that want to replace spreadsheet-based workflows with configurable apps they can run on-premise or in the cloud while keeping control over their data and deployment. The platform includes tools for forms, workflows, charts, search, input widgets, mobile/PWA access, encryption, access policies, and integrations such as REST endpoints, CSV handling, and calendar access. The README also highlights enterprise-oriented capabilities like LDAP-based user management, role-based access control, MFA, and clustering, suggesting it is designed for both internal operational tools and larger corporate deployments.

A tiny PHP-based todo list application.