regex101 : Free PCRE-based regular expression debugger with real time explanation, error detection and highlighting.
Fun Retrospectives : Activities and ideas for making agile retrospectives more engaging
Keep a Changelog : Don’t let your friends dump git logs into changelogs.
Beekeeper Studio : Open Source cross-platform SQL Editor and Database Manager. Use Beekeeper Studio to query and manage your relational databases, like MySQL, Postgres, ...
Requestdiff : Differentiate HTTP headers and content body of two GET URLs.
