Best Open-Source Productivity Software

AI‑driven automation platform for research and development workflows

AI‑driven Kanban board for developers building coding agents

On-device subtitle generation for video editors

Powerful task management directly inside your Obsidian notes

Automatic work journal and time tracker

Secure, automated dependency management for Node.js projects

Organize your day, goals, and tasks in one simple web app

A desktop email client that turns your inbox into a kanban board

A powerful, customizable JavaScript calendar for modern web apps

A fully customizable JavaScript calendar library for modern web applications.

A minimalist self‑hosted habit tracker for individuals and small teams

Self-hosted JMAP webmail for Stalwart Mail Server

A note-taking app for networked thought

Open source project management that works for you, not against you

A free, open-source note-taking app

A free, open source note-taking and to-do application

A fast, secure, minimalist note‑taking app for students and freelancers

An opinionated code formatter.

Open‑source task manager that blends time tracking, kanban and agile planning for freelancers and small teams.

Private and secure note-taking app

Convert PDFs to Word, Excel, and more

Open-source kanban board for small teams and freelancers