Open Source Alternatives
  • Alternatives
  • Categories
    Categories by size894 projects
    • Developer Tools463
    • AI & Machine Learning404
    • Web Development196
    • Business & Productivity194
    • Security & Monitoring129
    • Communication & Collaboration128
    • IT Management124
    • Cloud & Hosting108
    • Product & Project Management106
    • Data & Analytics104
    Browse all 21 categoriesDesign & Creative, LLMOps & AI Tooling and 9 more
  • Blog
  • Advertise
SearchNotion, Slack, password manager.../
Submit
Open Source Alternatives
  • Alternatives
    • Developer Tools463
    • AI & Machine Learning404
    • Web Development196
    • Business & Productivity194
    • Security & Monitoring129
    • Communication & Collaboration128
    • Browse all 21 categories
  • Blog
  • Advertise
Submit your project

New open source projects by email

The projects we add and every new guide. Free, unsubscribe any time.

Open Source Alternatives LogoOpen Source Alternatives

Handpicked Open Source Alternatives to Paid Softwares

Product

  • Categories
  • Tag
  • Advertise

Resources

  • Blog
  • Collection
  • Submit

Company

  • Privacy Policy
  • Terms of Service
  • Refund Policy
  • Sitemap

Alternatives

  • Claude Code
  • Jira
  • Notion
  • Slack
  • Linear
  • Wispr Flow
  • All alternatives
© 2026 Open Source Alternatives. All rights reserved.
Open SourceAlternatives

Tag

Self Hosted Open Source Tools

  • All
  • 3D Modeling
  • A/B Testing
  • AI Agents
  • AI Coding Assistant
  • AI SDK
  • AI Search Tools
  • API Development Tools
  • API Infrastructure
  • Authentication
  • Authorization
  • BaaS
  • Chat
  • Chatbots
  • CI/CD Platforms
  • Cloud Management
  • Cloud Native
  • Cloud Native
  • CMS
  • Coding
  • CRM
  • Customer Support
  • Cybersecurity
  • Data Visualization
  • Database
  • Developer Framework
  • Developer Tools
  • DevOps Tools
  • Docker Management
  • Documentation
  • Email
  • File Sharing
  • File Sync & Storage
  • Graphic Design
  • Headless CMS
  • Knowledge Base
  • Knowledge Management
  • LLM
  • LLMOps
  • Monitoring
  • No Code
  • Note-taking Apps
  • Open Core
  • Privacy Tools
  • Project Management
  • RAG
  • Security
  • Self Hosted
  • Server Management
  • Social Media
  • Testing
  • UI/UX Design
  • Video
  • Web Analytics
  • Web Browsers
  • Web Hosting
  • Web3
  • WebSocket Servers
  • Workflow Automation
  • Workflow Orchestration

420 projects, sorted by GitHub stars.

Totum

Alternative toRetool

Self-hosted low-code platform for internal business tools

  • 980 GitHub stars
  • MITLicence MIT

Scoold

Alternative toStack Overflow for Teams

Self-hosted Q&A platform for internal team knowledge

  • 921 GitHub stars
  • Apache-2.0Licence Apache-2.0

Streak

Alternative toHabitify

Private, offline habit tracker for Android, Windows, and Linux.

  • 915 GitHub stars
  • GPL-3.0Licence GPL-3.0

OpenFlowKit

Alternative toEraser.io

Local-first AI diagramming tool for developers and builders

  • 897 GitHub stars
  • MITLicence MIT

Password Safe

Alternative to1Password

Store passwords in an encrypted local database, no cloud account

  • 884 GitHub stars
  • Artistic-2.0Licence Artistic-2.0
  • #Security

Capgo

Alternative toCapawesome Cloud

Over-the-air live updates for Capacitor mobile apps

  • 876 GitHub stars
  • MPL-2.0Licence MPL-2.0

LibreSign

Alternative toDocuSign

Open source e-signature platform for PDF signing and forms

  • 834 GitHub stars
  • AGPL-3.0Licence AGPL-3.0
  • #Security

Steel‑LLM

Alternative toOpenAI

1B Chinese LLM with public weights, training code, and data

  • 814 GitHub stars
  • #LLM

SlowBooks-Pro-2026

Alternative toQuickBooks Desktop

Full-featured local bookkeeping: no cloud, no subscription

  • 798 GitHub stars
  • CustomLicence Source Available License (non-commercial resale restriction)

MindsDB

Alternative toLindy AI

Delegate reports, inbox cleanup, and workflow tasks to an AI agent

  • 757 GitHub stars
  • MITLicence MIT
  • #LLM

JellyBoxPlayer

Alternative toSymfonium

Native Jellyfin and Emby music player for every platform

  • 750 GitHub stars
  • AGPL-3.0Licence AGPL-3.0

OpenYak

Alternative toKimi Work

Local AI agent that enhances productivity with your own LLM

  • 693 GitHub stars
  • Apache-2.0Licence Apache-2.0
  • #AI Agents
  • Previous
  • 1
  • More pages
  • 28
  • 29
  • 30
  • More pages
  • 35
  • Next