Services
2.6K indexed services
element14
Electronics community and distributor — components, projects, tutorials, and Farnell parts
GEDmatch
DNA comparison and genealogy — upload raw DNA from any testing company, find matches across platforms
Sky & Telescope
Astronomy magazine — observing guides, equipment reviews, science news, and interactive sky chart
WikiTree
Free collaborative family tree — single shared world tree connecting all genealogy research
Instructables
DIY project community by Autodesk — step-by-step tutorials for crafts, electronics, cooking, and more
Hackster.io
Hardware project community — IoT, Arduino, Raspberry Pi, AI, and robotics project tutorials
DigiKey
Electronic components distributor — 15M+ parts from 2,500+ manufacturers with same-day shipping
Mouser Electronics
Electronic components distributor — semiconductors, passives, connectors, and development tools
MuseScore
Free sheet music and composition — notation software, community scores, and playback
KiCad
Free open-source EDA — schematic capture, PCB layout, 3D viewer, and BOM management
Yousician
Music learning app — guitar, piano, bass, ukulele, and singing with real-time feedback
flowkey
Piano learning app — interactive lessons, song tutorials, and real-time note recognition