
Open-Source Subscription Billing & Payments Platform

Kill Bill is an open-source subscription billing and payments platform designed to help businesses scale their billing infrastructure without vendor lock-in. With over a decade of proven reliability, it powers billing operations for SaaS and e-commerce organizations of all sizes.
Kill Bill is ideal for online businesses—from startups to enterprises—that need complete control over their billing operations. It's perfect for companies seeking the functionality of SaaS billing solutions with the flexibility, cost-effectiveness, and data ownership of an open-source platform.

Fair-code workflow automation platform with native AI capabilities. Combine visual building with custom code, self-host or cloud, 400+ integrations.

The Postgres development platform. Supabase gives you a dedicated Postgres database to build your web, mobile, and AI applications.

High performance self-hosted photo and video management solution.

A fancy self-hosted monitoring tool

Open-Source API Development Ecosystem • https://hoppscotch.io • Offline, On-Prem & Cloud • Web, Desktop & CLI • Open-Source Alternative to Postman, Insomnia

The open and composable observability and data visualization platform. Visualize metrics, logs, and traces from multiple sources like Prometheus, Loki, Elasticsearch, InfluxDB, Postgres and many more.

🚀 Strapi is the leading open-source headless CMS. It’s 100% JavaScript/TypeScript, fully customizable, and developer-first.

Bring projects, wikis, and teams together with AI. AppFlowy is the AI collaborative workspace where you achieve more without losing control of your data. The leading open source Notion alternative.

There can be more than Notion and Miro. AFFiNE(pronounced [ə‘fain]) is a next-gen knowledge base that brings planning, sorting and creating all together. Privacy first, open-source, customizable and ready to use.

🔥 🔥 🔥 A Free & Self-hostable Airtable Alternative