Dev Tools

Turn boring screenshot into beautiful sharable images for your socia media, blog, newsletter, and even your landing page.

A free tool to quickly turn code into beautiful screenshot. Paste your source code, customize background, syntax highlighting etc. and save it as image

A powerful design tool to create and manage beautiful images of your code.

Discover 350+ popular open source alternatives to proprietary SaaS.

The open-source solution for design and prototyping

Draw sequence diagrams in seconds using this free online tool.

Infinite ASCII diagrams, save to Google Drive, resize, freeform draw, and export straight to text/html.

OpenML is an open platform for sharing datasets, algorithms, and experiments - to learn how to learn better, together.

Use our SERP preview tool to optimize your page's appearance in Google search results. Improve your click-through rate!

W3C's easy-to-use markup validation service, based on SGML and XML parsers.

Free for developers

List of free stuff for developer by developer to use. This is a collective list of useful services for developer you can use for your next MVP or prototpying your idea.

All major curated design and development resources for developers

A natural language search engine that helps you find the right software you need in seconds!

Type Terms. The animated typographic cheat sheet.

You can convert online date time format in bulk. You only have to copy/paste the dates, specify the input format and output format requested.

A polyglot web converter that's going to save you a lot of time.