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421 projects, sorted by GitHub stars.

WeKan

Alternative toTrello

Private self-hosted Kanban boards for Trello migration

  • 21,130 GitHub stars
  • MITLicence MIT

jcode

Alternative toClaude Code

Next-gen coding agent harness for efficient workflows

  • 21,057 GitHub stars
  • MITLicence MIT

Bitwarden

Alternative to1Password

Open source password manager with end-to-end encryption and self-hosting.

  • 20,427 GitHub stars
  • AGPL-3.0Licence AGPL-3.0

UVdesk

Alternative toZendesk

Helpdesk and ticketing on PHP/Symfony with workflow automation

  • 19,594 GitHub stars
  • OSL-3.0Licence OSL-3.0

simplex-chat

Alternative toWWhatsApp

Private messaging without user IDs or servers.

  • 19,580 GitHub stars
  • AGPL-3.0Licence AGPL-3.0

DocuSeal

Alternative toDocuSign

Open source document signing and fillable PDF forms

  • 18,756 GitHub stars
  • AGPL-3.0Licence AGPL-3.0

Bluesky

Alternative toX (formerly Twitter) Premium

Own your account and move freely across compatible servers

  • 18,349 GitHub stars
  • MITLicence MIT

Windmill

Alternative toRetool

Developer platform for scripts, automations, and internal tools

  • 18,229 GitHub stars
  • AGPL-3.0Licence AGPL-3.0

OpenFang

Alternative toGrok Bot

Open source Agent OS built in Rust with autonomous agents

  • 18,212 GitHub stars
  • Apache-2.0Licence Apache-2.0
  • #AI Agents

VictoriaMetrics

Alternative toGrafana Cloud

High-performance self-hosted time series database and metrics

  • 17,887 GitHub stars
  • Apache-2.0Licence Apache-2.0
  • #Database

PouchDB

Alternative toGoogle Cloud Firestore

JavaScript database that syncs with CouchDB, works offline

  • 17,623 GitHub stars
  • Apache-2.0Licence Apache-2.0
  • #Database

Leon

Alternative toMuse

Self-hosted open source personal assistant for your server

  • 17,595 GitHub stars
  • MITLicence MIT
  • #AI Agents
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