Open Source Projects using Caddy
A curated collection of the 24 best open source software using Caddy. Find the most popular and trending open source projects to learn from, contribute to, or use in your own projects.
Cookie-free web and product analytics, self-hostable
Stars
7,256Last commit
2 days agoLicense
AGPL-3.0
Open-source analytics platform covering web traffic, custom events, funnels, retention, session replay, and revenue tracking. GDPR-compliant with optional self-hosting.
Open Source Alternative to:
Continuous compliance automation for SOC 2, ISO 27001 & more
Stars
Stars growing over the last 30 days336Last commit
8 hours agoLicense
Apache-2.0
Automates evidence collection, control tracking, and audit reporting across SOC 2, ISO 27001, NIST 800-53, GDPR, and 12+ other frameworks in one platform.
Open Source Alternative to:
Sleek, intuitive API development and testing platform
Stars
80,754Last commit
1 day agoLicense
MIT
Lightweight, fast, and feature-rich API client for developers. Test, debug, and document APIs with ease in a clean, modern interface.
Open Source Alternative to:
Unlock Product Insights with Open-Source Analytics
Stars
40,651Last commit
5 hours agoLicense
MIT
All-in-one product analytics platform. Track user behavior, run experiments, and make data-driven decisions to grow your product.
Open Source Alternative to:
Build powerful AI knowledge bases with ease
Stars
29,997Last commit
7 hours agoLicense
Unknown
FastGPT is a free, open-source platform for creating AI-powered knowledge bases with data processing, model invocation, and visual workflows.
Open Source Alternative to:
AI-powered code completion for seamless development
Stars
33,918Last commit
4 months agoLicense
Apache-2.0
Self-hosted AI coding assistant that enhances productivity with context-aware suggestions and privacy-focused implementation.
Open Source Alternative to:
Self-hosted music streaming for your personal collection
Stars
24,534Last commit
1 day agoLicense
GPL-3.0
Open source music server that streams your personal library via a web player or any Subsonic-compatible mobile app on iOS and Android.
Open Source Alternative to:
Legally binding document signing for individuals and teams
Stars
18,993Last commit
3 days agoLicense
AGPL-3.0
Self-hostable e-signature platform for creating, sending, and signing PDF forms with automatic digital signatures, a REST API, and embeddable components.
Open Source Alternative to:
Open-source workflow automation for developers
Stars
18,391Last commit
5 hours agoLicense
Unknown
Powerful, self-hosted platform for building and running workflows, scripts, and apps with code-first approach and collaborative features.
Open Source Alternative to:
A team of AI agents in a chat app, on your own machine
Stars
Stars growing quickly over the last 30 days12,322Last commit
6 hours agoLicense
Apache-2.0
Run a team of AI agents locally on your own API keys and subscriptions, with scheduled tasks, computer use, and Gmail, GitHub and Slack integrations.
Open Source Alternative to:
Open-source API documentation and testing platform
Stars
16,376Last commit
10 hours agoLicense
MIT
Scalar is an open-source tool for building, customizing, and hosting interactive API documentation with OpenAPI support.
Open Source Alternative to:
Understand your audience with privacy-first analytics.
Stars
13,209Last commit
1 day agoLicense
AGPL-3.0
Get next-gen, open-source, and cookieless web analytics. Understand user behavior with session replays, real-time data, and web vitals. GDPR/CCPA compliant.
Open Source Alternative to:
Classic, agile, or hybrid project management, self-hosted
Stars
Stars growing over the last 30 days17,007Last commit
5 hours agoLicense
GPL-3.0
Full-featured project management platform with Gantt charts, agile boards, time tracking, and team collaboration. Self-host or use managed cloud hosting.
Open Source Alternative to:
Secure, customizable identity infrastructure for developers
Stars
15,515Last commit
1 day agoLicense
AGPL-3.0
ZITADEL provides a comprehensive identity management solution with easy APIs, customizable workflows, and serverless deployment options.
Open Source Alternative to:
Self-hosted session replay with complete data control
Stars
13,098Last commit
20 hours agoLicense
AGPL-3.0
Open-source session replay and product analytics platform you can self-host for complete control over data security, privacy, and compliance.
Open Source Alternative to:
Secure, customizable e-signatures for modern businesses
Stars
7,224Last commit
2 days agoLicense
AGPL-3.0
A powerful, open-source e-signature solution offering customization, integration, and enhanced security for businesses of all sizes.
Open Source Alternative to:
A spreadsheet engine you can embed, self-host, or run in the browser
Stars
4,250Last commit
17 hours agoLicense
Apache-2.0
IronCalc is an open-source, Rust-powered spreadsheet engine with .xlsx support, 300+ functions, and bindings for JavaScript and Python.
Open Source Alternative to:
Open source security automation platform for builders
Stars
3,890Last commit
12 hours agoLicense
AGPL-3.0
Tracecat is a scalable, self-hostable platform for automating security workflows and playbooks without limits.
Open Source Alternative to:
Secure password manager with end-to-end encryption
Stars
2,940Last commit
12 hours agoLicense
AGPL-3.0
Open-source password manager with end-to-end encryption for passwords, credit cards, notes, and documents. Cross-platform sync with secure sharing capabilities.
Open Source Alternative to:
Open-source GraphQL federation platform
Stars
482Last commit
15 hours agoLicense
MIT
A fully open-source schema registry, analytics, and gateway for GraphQL federation and APIs
Open Source Alternative to:
Build lasting communities with modern forum technology
Stars
346Last commit
2 days agoLicense
MPL-2.0
Create permanent, discoverable communities with modern forum features. Combines discussion, curation, and wiki functionality in one platform.
Open Source Alternative to:
Decentralized CAPTCHA for enhanced web security
Stars
303Last commit
14 hours agoLicense
Apache-2.0
A blockchain-based CAPTCHA solution offering improved security, user experience, and resistance to bot attacks for web applications.
Open Source Alternative to:
Self-hosted uptime monitoring that runs on your hardware, not their servers
Stars
85Last commit
8 days agoLicense
MIT
Deploy your own uptime and performance monitoring with HTTP/ICMP checks, multi-region probes, and custom status pages. MIT licensed, runs on minimal hardware.
Open Source Alternative to:
Monitors websites and APIs, pages on-call, and publishes a status page
Stars
52Last commit
1 day agoLicense
AGPL-3.0
Hosted uptime monitoring with multi-region checks, eight monitor types, on-call rotations, escalation policies, and public status pages for SaaS teams and agencies.
Open Source Alternative to:
Sent – Messaging Infrastructure for Developers. One API for SMS, WhatsApp, and RCS across 190+ countries.
Openlane
Postiz