Open Source Alternatives LogoOpen Source Alternatives
AlternativesBlogAdvertise
Open Source Alternatives LogoOpen Source Alternatives

Category

Explore by categories

  • All
  • Web Development
  • Backend Development
  • APIs & Integration
  • Developer Tools
  • DevOps & CI/CD
  • Cloud & Hosting
  • LLMOps & AI Tooling
  • Databases & Storage
  • No-Code & Low-Code
  • Customer Support
  • IT Management
  • Marketing & Growth
  • Finance & Fintech
  • Product & Project Management
  • AI & Machine Learning
  • Data & Analytics
  • Communication & Collaboration
  • Business & Productivity
  • Design & Creative
  • Security & Monitoring
  • Web & App Development
Open Source Alternatives LogoOpen Source Alternatives

Handpicked Open Source Alternatives to Paid Softwares

Product
  • Search
  • Categories
  • Tag
  • Sign In
Resources
  • Blog
  • Collection
  • Submit
  • Advertise your tool
Company
  • Privacy Policy
  • Terms of Service
  • Refund Policy
  • Sitemap
Copyright © 2026 All Rights Reserved.
icon of Converse.js

Converse.js

stars 3.3Kforks 827

Self-hosted web-based XMPP chat client for any server

ChatSelf HostedSecurity+5
  • Previous
  • 1
  • 2
  • More pages
  • 15
  • 16
  • 17
  • Next
icon of Budibase

Budibase

stars 27.9Kforks 2.1K

Low-code platform for building internal apps, self-hosted

Low-codeNo CodeWorkflow Automation+4
icon of ToolJet

ToolJet

stars 38Kforks 5.1K

Build internal tools with a drag-and-drop UI and 50+ connectors

Low-codeNo CodeSelf Hosted+5
icon of Tox

Tox

stars 2.6Kforks 306

Free encrypted P2P messaging and voice calls, no servers

ChatSecurityPrivacy Tools+5
icon of Tinode

Tinode

stars 13.4Kforks 2.1K

Self-hosted instant messaging platform for web and mobile apps

ChatSelf HostedAPI Development Tools+5
icon of GPT‑NeoX

GPT‑NeoX

stars 7.4Kforks 1.1K

EleutherAI's framework for training LLMs at research scale

LLMLLMOpsDeveloper Framework+3
icon of LLM Foundry

LLM Foundry

stars 4.4Kforks 589

Apache 2.0 LLM fine-tuning toolkit for Llama and Mistral on GPU

LLMLLMOpsDeveloper Framework+3
icon of Apache PDFBox

Apache PDFBox

stars 3.1Kforks 952

Open source Java library for creating and parsing PDFs

Developer FrameworkCodingDocumentation+4
icon of Pencil2D Animation

Pencil2D Animation

stars 1.8Kforks 307

Free open source 2D hand-drawn animation tool

Graphic DesignVideomacOS+3
icon of Ghostscript

Ghostscript

stars 243forks 78

Open source PDF and PostScript interpreter and converter

Developer ToolsWorkflow AutomationCoding+3
icon of Typesense

Typesense

stars 26Kforks 901

Fast typo-tolerant search engine with instant results

Search EngineAPI InfrastructureDeveloper Tools+4
icon of Falcon LLM

Falcon LLM

stars 9.3Kforks 777

Apache 2.0-licensed LLM from TII, from 1B to 180B parameters

LLMLLMOpsAI SDK+4