A collective list of free APIs

The Big List of Naughty Strings is a list of strings which have a high probability of causing issues when used as user-input data.

120+ interactive Python coding interview challenges (algorithms and data structures). Includes Anki flashcards.

⚡ Automatically decrypt encryptions without knowing the key or cipher, decode encodings, and crack hashes ⚡

Mail-in-a-Box helps individuals take back control of their email by defining a one-click, easy-to-deploy SMTP+everything else server: a mail server in a box.

Transparent proxy server that works as a poor man's VPN. Forwards over ssh. Doesn't require admin. Works with Linux and MacOS. Supports DNS tunneling.

A Terminal Client for MySQL with AutoCompletion and Syntax Highlighting.

Chisel is a collection of LLDB commands to assist debugging iOS apps.

Very efficient backup system based on the git packfile format, providing fast incremental saves and global deduplication (among and within files, including virtual machine images). Please post prob…

CommonMark spec, with reference implementations in C and JavaScript

Client code for Jasper voice computing platform

Continuously jam all wifi clients/routers

Lightweight webmail inspired by Gmail

Converts woff files to otf files

nginx config file formatter/beautifier written in Python with no additional dependencies.

RESTful API for subway arrival & stops information from the MTA

ClouDNS DNS Authenticator plugin for Certbot

Generate daily download stats for files hosted on S3 from the logs