OpenCalais : Calais is a rapidly growing toolkit of capabilities that allow you to readily incorporate state-of-the-art semantic functionality within your blog, co...
Mockoon : Mockoon is the easiest and quickest way to design and run mock APIs. No remote deployment, no account required, free and open-source.
pump.io : Social server with an ActivityStreams API. It's a stream server that does most of what people really want from a social network.
Hurl : Hurl is a command line tool that runs HTTP requests defined in a simple plain text format.
It can chain requests, capture values and evaluate queries ...
Postal : Postal is a complete and fully featured mail server for use by websites & web servers. Think Sendgrid, Mailgun or Postmark but open source and ready f...
Bluepine is a DSL for defining API Schema/Endpoint with the capabilities to generate Open API (v3) spec, validate API request and serialize object for API response based on single schema definition.
Git Reference : This is the Git reference site. It is meant to be a quick reference for learning and remembering the most important and commonly used Git commands.
Untools : Collection of thinking tools and frameworks to help you solve problems, make decisions and understand systems.
JSON API : A specification for building APIs in JSON. Clients built around JSON API are able to take advantage of its features around efficiently caching respons...
The Joel Test : I've come up with my own, highly irresponsible, sloppy test to rate the quality of a software team : 12 Steps to Better Code.