Open Source Alternatives
  • Alternatives
  • Categories
    Categories by size892 projects
    • Developer Tools463
    • AI & Machine Learning404
    • Web Development196
    • Business & Productivity194
    • Communication & Collaboration128
    • Security & Monitoring128
    • IT Management123
    • Cloud & Hosting108
    • Product & Project Management106
    • Data & Analytics104
    Browse all 21 categoriesLLMOps & AI Tooling, Design & Creative and 9 more
  • Blog
  • Advertise
SearchNotion, Slack, password manager.../
Submit
Open Source Alternatives
  • Alternatives
    • Developer Tools463
    • AI & Machine Learning404
    • Web Development196
    • Business & Productivity194
    • Communication & Collaboration128
    • Security & Monitoring128
    • 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.

Overmind

Alternative toBraintrust

Turn agent production traces into fine-tuned models you own.

  • 669 GitHub stars
  • AGPL-3.0Licence AGPL-3.0

Traffic Source

Alternative toPlausible Analytics

Open source self-hosted analytics for total data ownership

  • 667 GitHub stars
  • MITLicence MIT

dcts-shipping

Alternative toDiscord

Self-hosted Discord-style chat with encrypted DMs and voice

  • 645 GitHub stars
  • AGPL-3.0Licence AGPL-3.0

Drivebase

Alternative toCloudFuze

Self-hosted cloud file manager with unified storage

  • 595 GitHub stars
  • MITLicence MIT

Zoneless

Alternative toStripe Connect

Open source payout platform for global marketplace payments

  • 566 GitHub stars
  • Apache-2.0Licence Apache-2.0

Moxin-LLM

Alternative toOpenAI API

Full transparency LLM: open weights, training code, and data

  • 525 GitHub stars
  • Apache-2.0Licence Apache-2.0
  • #LLM

Void Cloud

Alternative toVercel

Full-stack Vite toolkit with one-command Cloudflare deployment

  • 507 GitHub stars
  • MITLicence MIT

Torollo

InDeveloper Tools

Learn system design by running real Docker containers locally

  • 449 GitHub stars
  • MITLicence MIT

card

Alternative toStripo

Self-hosted email template builder, 78 blocks, no account needed

  • 431 GitHub stars
  • AGPL-3.0Licence AGPL-3.0
  • #Email

meridian

Alternative toEverpaper

Local work journal that logs your day and drafts your standup.

  • 404 GitHub stars
  • CustomLicence PolyForm Strict 1.0.0
  • #Open Core

Valour

Alternative toDiscord

Open source Discord alternative with flexible community tools

  • 400 GitHub stars
  • AGPL-3.0Licence AGPL-3.0
  • #Chat

Arrmada

Alternative toPlex

Movies, TV, books and requests in one app, arr stack included

  • 396 GitHub stars
  • MITLicence MIT
  • Previous
  • 1
  • More pages
  • 29
  • 30
  • 31
  • More pages
  • 35
  • Next