Stirling PDF
Self-hosted PDF toolkit — merge, split, compress, convert, and edit PDFs in your browser
⭐
79k
Productivity
Tools that make you faster and more organized, from note-taking to task management to automation workflows
7 curated projects in this category, sorted by stars.
What This Category Helps You Do
Open source productivity tools help you organize notes, tasks, calendars, bookmarks, and daily workflows without locking your personal systems into a closed app. The best options here are not just cheaper replacements; they give you portability, markdown-friendly data, automation, or a calmer interface.
Best For
Use this category when you want a better personal operating system for work, study, writing, planning, or team coordination.
How to Choose from These Projects
Start with the tool that matches your existing habit. A powerful app is not helpful if it asks you to rebuild your entire workflow on day one.
Affine
Notion meets Miro in one local-first workspace — write docs, draw diagrams, and organize knowledge
⭐
68k
Memos
Lightweight, self-hosted memo hub for quick notes and thoughts — like a personal Twitter
⭐
60k
AppFlowy
Open source Notion alternative built with Rust — faster, private, and fully customizable
⭐
50k
Outline
Fast, collaborative knowledge base and wiki for teams with beautiful editing experience
⭐⭐
38k
Cal.com
Open source Calendly alternative with powerful scheduling and team management features
⭐⭐
32k
Super Productivity
A serious to-do and time-tracking app for people who plan their day in tasks
⭐
19k