Best Open-Source Productivity Tools in 2026

Productivity tools here include collaborative workspaces, workflow automation, and everyday developer utilities. AppFlowy is an open-source Notion-style workspace for projects and wikis; Automatisch automates workflows across apps as a Zapier alternative; Atuin adds searchable shell history. ChatALL lets you talk to several AI models at once. Browse when you need to ship work with fewer proprietary lock-ins.

The most popular open-source Productivity tool by GitHub stars is Oh My Zsh(186.1k stars), followed by Dify(137.3k stars)and Open-webui(131.3k stars). This page lists the top 30 of 132 productivity tools in the directory, ranked by community adoption.

Quick comparison

Best open-source Productivity tools in 2026, ranked by GitHub stars
#ToolStarsLanguageLicense
1Oh My Zsh

A delightful community-driven framework for managing your Zsh configuration, with over 2,400 contributors, 300+ plugins, and 140+ themes.

186.1kShellMIT License
2Dify

A production-ready platform facilitating the development of agentic workflows with robust features and integration capabilities.

137.3kTypeScriptOther
3Open-webui

A user-friendly AI interface that supports Ollama, OpenAI API, and other AI backends, providing an accessible platform for interacting with AI models.

131.3kPythonOther
4Immich

High performance self-hosted photo and video management solution designed to be efficient and user-friendly.

97.6kTypeScriptGNU Affero General Public License v3.0
5LocalSend

LocalSend is an open-source, cross-platform tool for sending files across devices, serving as an alternative to AirDrop.

78.0kDartApache License 2.0
6Tabby

Tabby is a modern, highly customizable terminal emulator that supports SSH, serial, Telnet, and more. It features a polished user interface, cross-platform compatibility, and robust plugin support to enhance your command-line workflow.

67.6kTypeScriptMIT License
7AppFlowy

Bring projects, wikis, and teams together with AI. AppFlowy is the ultimate AI-driven collaborative workspace, offering an open-source alternative to Notion while keeping control of your data.

61.3kDartGNU Affero General Public License v3.0
8Joplin

Joplin is a privacy-focused note-taking application that supports synchronization and is available on Windows, macOS, Linux, Android, and iOS.

54.3kTypeScriptOther
9Maybe

The open-source platform enhancing your personal finance management experience.

54.1kRubyGNU Affero General Public License v3.0
10Gpt-engineer

A CLI platform designed for experimenting with code generation, paving the way for advanced development workflows.

53.4kPythonMIT License

All 30 Productivity tools

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Frequently asked questions

What is the best open-source productivity tool in 2026?

Oh My Zsh leads by GitHub stars(186.1k). A delightful community-driven framework for managing your Zsh configuration, with over 2,400 contributors, 300+ plugins, and 140+ themes.

Are these productivity tools free?

Yes. Every tool on this list is open source and free to use in your own projects. Many can be self-hosted.

How is this list ranked?

Tools are ranked by GitHub star count, a strong proxy for community adoption and active maintenance. Star counts are refreshed regularly.

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