No moat. Still in business.
Software directory for those who don’t want to rebuild, own the updates, the bugs, the support.
- CircuitLab
Draw electronic schematics and run analog and digital circuit simulations in the browser, with no install needed.
Since 2012
Design and images · Schools and tutors
- MLJAR Studio
Desktop data analysis app where you ask about your data in plain English and get Python code, charts and notebooks run on your computer.
Since 2017
Data and spreadsheets
- BOM Manager
Keeps one parts library across all the circuit boards in a project, with live supplier prices and lists of what to order.
Since 2026
Free · Inventory and stock · Manufacturing
- Copperhead
An AI agent that edits KiCad schematics and boards and reruns electrical and design rule checks until they pass.
Since 2026
Free · Developer tools
- Traceformer
Upload a KiCad or Altium schematic and get an AI review of wiring mistakes checked against part datasheets before you order boards.
Since 2026
Free plan · Something else · Manufacturing
- Quadratic
Spreadsheet that links to databases and files and lets AI write the formulas, Python and charts for you.
Since 2023
Data and spreadsheets
- BV Circuits
Upload a schematic, netlist and parts list to get a report of wiring mistakes and design fixes before you order boards.
Since 2026
Something else