ApexCharts - Chart rendering in JS / Vue / React
Buddy - free CI/CD platform
Buefy - Vue.js with Bulma
CliFx - .NET Core CLI framework
CloudAMQP - RabbitMQ as a Service (has free plan)
coverlet - .NET code coverage tool
dbdiagram.io - auto-generated schema diagrams from code
Divjoy - React codebase generator
elestio - Managed OSS as a service
EVA - Email Verification API
FeatherHttp - Single file .NET Core HTTP API
Free for devs - list of free platforms / APIs / etc
hCaptcha - Free reCAPTCHA alternative
homoglyph - string search with homoglyphs
JSON Utils - Convert JSON to code
Podman Desktop Companion - podman GUI
PullDog - GitHub action for automated test environments from PRs via docker-compose
Supabase / Kuzzle / SapphireDb - OSS Firebase
SlugGenerator - .NET slug generation
Storybook - React/Angular/Vue component IDE
Cloudinary - free media CDN (Cloudinary.NET)
imgBB - simple, free image CDN
OrchardCore - CMS
AspNetCore-Developer-Roadmap - Guide to most useful ASP.NET Core technologies
awesome-wpo - A curated list of Web Performance Optimization
https://securityheaders.com - Diagnose HTTP headers