Open source focus

Open Source Alternatives to National Instruments

3 open source Software Testing options similar to National Instruments, ranked by named competitors first, sector overlap, and our 0-100 AI-readiness score. Every company listed publishes its source: each one carries an open source sector tag and a public GitHub repository.

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Arduino46
Open SourceSomerville, United States$54.0M
Open-source hardware and software company providing microcontrollers and kits for digital devices.
Open source · Self-hostable
CL
Clawdmeter15
Artificial IntelligenceReykjavik, Iceland
Tiny desktop dashboard for Claude Code usage stats.
Open source · Self-hostable
SQLite11
DatabaseCharlotte, United States
A self-contained, file-based SQL database engine widely used in embedded systems.
Open source · Self-hostable

Company	Sector	License	HQ	Funding	Score
ArduinoOpen-source hardware and software company providing microcontrollers and kits for digital devices.	Open Source	Open source · Self-hostable	Somerville, United States	$54.0M	46
CLClawdmeterTiny desktop dashboard for Claude Code usage stats.	Artificial Intelligence	Open source · Self-hostable	Reykjavik, Iceland	—	15
SQLiteA self-contained, file-based SQL database engine widely used in embedded systems.	Database	Open source · Self-hostable	Charlotte, United States	—	11