HTTP API design : This guide describes a set of HTTP+JSON API design practices, originally extracted from work on the Heroku Platform API.
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regex101 : Free PCRE-based regular expression debugger with real time explanation, error detection and highlighting.
Inj3ct0r 1337day.com : Exploit database separated by exploit type (local, remote, DoS, Poc, etc.)
2016 Guide to User Data Security : This guide is for the software developer, architect or system administrator who doesn't want to spend a lifetime wading through cryptographic algorith...
PrePostPrint highlights experimental publications made with free software.