Speech-to-text, text-to-speech, and speaker recognition
Offline speech recognition API for Android, iOS, Raspberry Pi
An open source SQL database designed to process time series data
ROBOTIS Dynamixel SDK (Protocol1.0/2.0)
Amateur Radio AX.25 chat and PBBS program using Linux's AX.25 stack
Portable ZX-Spectrum emulator based on UnrealSpeccy 0.37.3 by SMT
SCADA HMI for substations, IoT and automation applications
OpenDDS is open source publish/subscribe middleware
Free and open-source interactive source explorer
An open source search engine with RESTFul API and crawlers
Middleware for distributed applications
Dataflow parallel programming language for clusters
something that writes code for you