Open Source Alternatives LogoOpen Source Alternatives
AlternativesBlogAdvertise
Open Source Alternatives LogoOpen Source Alternatives
Now listing open-source alternatives · updated Jun 10, 2026

Open Source Alternatives to Paid Software

Browse a curated directory of self-hosted tools that replace paid software. Every listing is manually reviewed for active maintenance, practical fit, and transparent licensing.

Free weekly digest. No spam, unsubscribe anytime.

Open source alternatives to paid software directory

Stay Updated

Subscribe to our newsletter for the latest news and updates about Alternatives

Frequently Asked Questions

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 VoxCPM

VoxCPM

stars 28.4Kforks 3.2K

Tokenizer-free multilingual text-to-speech with voice cloning

AI SDKLLMDeveloper Tools+3
icon of PostgreSQL

PostgreSQL

stars 21.1Kforks 5.7K

World's most advanced open source relational database

DatabaseOpen CoreSelf Hosted+4
Icon for Maigret

Maigret

stars 32.5Kforks 2.4K

Collect OSINT data by username effortlessly

ScrapingSocial MediaDeveloper Tools+2
icon of Upscayl

Upscayl

stars 45.2Kforks 2.2K

Free open source AI image upscaler for Mac, Linux, and Windows

Graphic DesignPhoto ManagementDeveloper Tools+2
icon of Bagisto

Bagisto

stars 27.2Kforks 3.1K

Laravel eCommerce with headless API and no transaction fees

E-commerceMarketplaceDeveloper Framework+4
icon of Qdrant

Qdrant

stars 31.6Kforks 2.3K

Self-hosted vector database for AI similarity search and RAG

DatabaseSelf HostedAI Search Tools+4
icon of scientific-agent-skills

scientific-agent-skills

stars 28Kforks 2.9K

AI-driven research automation for complex tasks

AI AgentsLLM
icon of Better Auth

Better Auth

stars 28.7Kforks 2.6K

Drop-in TypeScript auth with MFA, SSO, and multi-tenancy support

AuthenticationSelf HostedDeveloper Framework+4
icon of Void

Void

stars 28.8Kforks 2.5K

Cursor alternative that routes AI to your own LLM provider

Code EditorsAI Coding AssistantDeveloper Tools+4
Logo of Voicebox

Voicebox

stars 29.4Kforks 3.6K

Open source voice synthesis studio for generating audio

AI SDKDeveloper ToolsLocal-first+3
icon of Node-RED

Node-RED

stars 23.3Kforks 3.9K

Low-code event-driven programming with a browser-based editor

Low-codeWorkflow AutomationDeveloper Tools+4
icon of Langfuse

Langfuse

stars 27.1Kforks 2.8K

Trace and debug LLM prompts while monitoring inference costs

LLMOpsObservabilityMonitoring+4
icon of Activepieces

Activepieces

stars 22.7Kforks 3.8K

Build AI-powered automations and agents without vendor lock-in

Workflow AutomationAI AgentsNo Code+3
icon of Kestra

Kestra

stars 26.9Kforks 2.6K

Declarative workflow orchestration for data and DevOps teams

Workflow OrchestrationWorkflow AutomationDevOps Tools+5
icon of Spacedrive

Spacedrive

stars 38Kforks 1.3K

Unified file explorer that spans your devices and cloud drives

File Sync & StorageSelf HostedKnowledge Management+2
icon of Flameshot

Flameshot

stars 30.1Kforks 1.9K

Open source screenshot tool with annotation and upload

Graphic DesignDeveloper ToolsDocumentation+1
icon of Focalboard

Focalboard

stars 26.2Kforks 2.5K

Open source project management: Kanban, Scrum, and lists

Project ManagementKnowledge ManagementSelf Hosted+4
icon of bitchat

bitchat

stars 26Kforks 2.5K

Peer-to-peer encrypted chat over Bluetooth mesh network

ChatSecuritySelf Hosted+3
  • Previous
  • 1
  • More pages
  • 6
  • 7
  • 8
  • More pages
  • 25
  • Next