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BSD-3-Clause Licensed Open Source Software

A curated collection of the 14 best open source software licensed under BSD-3-Clause.

Open WebUI

AI
One interface for every AI model you run or connect

  • Stars

    157,269

  • Last commit

    4 hours ago

  • License

    BSD-3-Clause
Self-hosted AI platform that connects local and cloud models, extends with Python, and keeps your data under your control.

Open Source Alternative to:

Claude

Appwrite

Open-source backend platform for rapid app development

  • Stars

    57,800

  • Last commit

    4 hours ago

  • License

    BSD-3-Clause
Open-source development platform with built-in backend infrastructure, web hosting, and security features. Scale applications using your preferred programming languages.

Open Source Alternative to:

Supabase

Tailscale

Zero-config VPN with WireGuard for secure networking

  • Stars

    Stars growing over the last 30 days38,362

  • Last commit

    4 hours ago

  • License

    BSD-3-Clause
Deploy a modern WireGuard-based VPN with zero configuration. Connect devices securely across clouds, VPCs, and on-premises networks without firewall rules.

Open Source Alternative to:

Zerotier

Saleor

Flexible e-commerce platform for modern businesses

  • Stars

    23,492

  • Last commit

    15 hours ago

  • License

    BSD-3-Clause
Headless, API-first e-commerce solution with powerful features for customization, scalability, and seamless integration across channels.

Open Source Alternative to:

Shopify

Spree Commerce

Open source headless commerce with REST API, no platform fees, built for B2B and marketplaces

  • Stars

    15,793

  • Last commit

    5 hours ago

  • License

    BSD-3-Clause
Headless eCommerce platform with REST API, TypeScript SDK, and Next.js storefront. Handle B2B, multi-vendor marketplaces, and cross-border commerce. Self-hosted, open source, zero fees.

Open Source Alternative to:

Shopify

Weaviate

AI
AI-native vector database for intuitive applications

  • Stars

    16,932

  • Last commit

    4 hours ago

  • License

    BSD-3-Clause
Open-source vector database designed for building powerful, production-ready AI applications with hybrid search capabilities and flexible deployment options.

Open Source Alternative to:

Supabase

Healthchecks

Get alerted when cron jobs and scheduled tasks miss their run

  • Stars

    10,481

  • Last commit

    2 days ago

  • License

    BSD-3-Clause
Monitors cron jobs, background workers, and scheduled tasks by expecting periodic HTTP pings and alerting you when they stop arriving on time.

Open Source Alternative to:

BetterStack

Flagsmith

Feature flags and remote config for rapid deployment

  • Stars

    6,635

  • Last commit

    13 hours ago

  • License

    BSD-3-Clause
Powerful feature management platform for seamless software releases, A/B testing, and personalized user experiences.

Open Source Alternative to:

LaunchDarkly

Solidus

Flexible eCommerce platform for brands that stand out

  • Stars

    5,348

  • Last commit

    1 day ago

  • License

    BSD-3-Clause
Open-source eCommerce platform offering customization, scalability and enterprise-grade features for brands of all sizes

Open Source Alternative to:

Shopify

HTTPie

Modern command-line HTTP client for the API era

  • Stars

    4,052

  • Last commit

    2 years ago

  • License

    BSD-3-Clause
Intuitive, user-friendly CLI tool for making HTTP requests, debugging APIs, and testing web services with ease and efficiency.

Open Source Alternative to:

Postman

Linguist

Privacy-focused translation with offline capabilities

  • Stars

    1,083

  • Last commit

    2 months ago

  • License

    BSD-3-Clause
Full-featured browser extension for translating web pages, text, and subtitles with offline mode, personal dictionary, and custom translator support.

Open Source Alternative to:

Google Translate

Chapar

Fast, secure, offline API client for REST and gRPC

  • Stars

    722

  • Last commit

    1 day ago

  • License

    BSD-3-Clause
Cross-platform API client offering fast, secure, and offline testing for REST and gRPC services. Available on macOS, Windows, and Linux with intuitive design.

Open Source Alternative to:

Postman

Browser Operator

AI
Open-source AI browser for intelligent web automation

  • Stars

    516

  • Last commit

    8 months ago

  • License

    BSD-3-Clause
Privacy-focused AI browser with intelligent agents for research, analysis, and workflow automation. Features unified memory, compliance guardrails, and seamless integrations.

Open Source Alternative to:

Comet Browser

ResourceSpace

Organise, share, and control digital assets at scale

  • Stars

    88

  • Last commit

    22 hours ago

  • License

    BSD-3-Clause
Self-hostable DAM platform for managing images, video, documents, and audio with metadata search, approval workflows, and open API integrations.

Open Source Alternative to:

Brandfolder
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