4ian/GDevelop

Strapi is a self-hosted headless CMS that auto-generates REST and GraphQL APIs from content model definitions you build visually with the Content-Type Builder — no code required on the API side. It ships with authentication, granular roles and permissions, a media library, i18n, and draft/publish workflows out of the box, and the request pipeline (Routes → Middlewares → Controllers → Services) is fully overridable at each layer. TypeScript is first-class and you can pair it with SQLite for local dev or PostgreSQL/MySQL/MariaDB in production. The plugin system and customizable admin panel are real extensibility points, not marketing. The tradeoff: there's no official Docker image (you roll your own from your project), and major version upgrades have been historically painful — the migration docs are thorough but the process still demands attention. Worth it if you need full control over your content infrastructure and don't mind owning the deployment; less ideal if you want something you can set and forget.

Docusaurus is a static-site generator built by Meta that turns Markdown files into a self-hosted documentation website with a docs section, an optional blog, and i18n support baked in from the start.

Twenty positions itself as a developer-first CRM — one you'd treat like the rest of your codebase rather than a black-box SaaS tool you configure through a GUI. The monorepo ships a full TypeScript stack (NestJS backend, React frontend, PostgreSQL + Redis) and lets you define custom objects, fields, and views as code using their SDK, then publish them to a workspace via CLI. That tight loop between code and live CRM data is the actual differentiator: it's not a CRM with an API tacked on, it's a platform where the schema itself is versioned and shippable. The tradeoff is that you'll need someone comfortable with TypeScript and a self-hosted setup if you want to go beyond the cloud offering — it's built for teams that want to own their data model, not just configure dropdowns.

App Ideas Collection is a GitHub repository maintained by Florin Pop and Jim Medlock that catalogs application ideas developers can build to practice their skills, organized into three difficulty tiers. Each entry defines an objective, user stories, optional bonus features, and resource links rather than a bare project name, and the repository is sponsored by CodeRabbit and licensed under MIT.