Flagsmith lets you manage feature flags and remote config across web, mobile and server side applications. Deliver true Continuous Integration. Get builds out faster. Control who has access to new features.
We're Open Source.
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Code Fight Club
hackattic
Codewars
Real Dev
HackerRank
devpad.io
Battle Exchange
Daily Coding Problem
NoteCalc
SpeQ Mathematics
Qalculate!
NumWorks
CalcTape
Event Viewer
Calcbot for Apple Watch
Numi App
Code Fight Clubhackattic - No nonsense, real world programming challenges
SpeQ Mathematics - SpeQ is a small, extensive mathematics program with a simple, intuitive interface.
Codewars - Achieve code mastery through challenge.
Qalculate! - Qalculate! is a multiplatform multi-purpose desktop calculator.
Real Dev - Real-life coding skill challenge
NumWorks - The graphing calculator that makes learning math easier.