Open Source Alternatives

Discover the best open source replacements for popular paid software. Every alternative is free, community-driven, and self-hostable.

Superhuman

Business & Productivity

Superhuman Mail is a fast, keyboard-first email client for Gmail and Outlook, built around speed, shortcuts, and AI triage, and sold as a premium per-seat subscription.

Slack

Communication & Collaboration

A channel-based messaging platform that brings teams together with real-time communication, file sharing, and extensive app integrations.

Notion

Business & Productivity

An all-in-one workspace that combines note-taking, project management, databases, and wikis, enabling highly customizable solutions for individuals and collaborative teams.

Linear

Product & Project Management

A modern issue tracker and project planner for software teams with a fast UI, sprint cycles, and tight git integration.

Airtable

Business & Productivity

A cloud-based platform that combines the flexibility of a spreadsheet with the power of a relational database, offering visual organization, workflow automation, and AI-powered features.