WebAIM Contrast CheckerFree browser tool that instantly checks foreground/background color contrast ratios against WCAG AA and AAA standards. No signup required.(0)0
FlukebookFlukebook uses deep learning and computer vision to identify individual whales and dolphins from photos. Join researchers and citizen scientists in marine conservation.(0)0
Universal Life ChurchGet ordained online for free with the Universal Life Church. Legally officiate weddings and ceremonies worldwide with access to training, wedding scripts, and state laws.(0)0
Bike InsightsFind your ideal bike with Bike Insights. Compare bike geometries side-by-side with diagrams, use powerful search tools, and get personalized sizing guidance backed by a community-powered database.(0)0
Traveling BirderPlan smarter birding trips with Traveling Birder. Find target species you haven't seen, discover top hotspots, and optimize your driving route using real-time eBird data. Free, no account required.(0)0
Khan Academy KidsKhan Academy Kids is a free, ad-free educational app for children ages 2–8 covering reading, math, writing, and social-emotional learning with thousands of interactive activities.(0)0
Schoolhouse WorldJoin over 196,000 students on Schoolhouse World for free SAT bootcamps, homework help, college admissions workshops, and global peer dialogues — founded by Sal Khan of Khan Academy.(0)0
Smiling MindSmiling Mind is a free, evidence-based mindfulness and mental fitness app developed by psychologists for children, families, and schools. Build daily wellbeing habits.(0)0
H HistorypinHistorypin lets you pin local history on a world map using photos, sound, and video. Discover, share, and preserve community stories for free.(0)0
Save the MusicSave the Music is a nonprofit providing instruments, music technology, and teacher resources to underserved schools across the U.S. Join the cause and support music education.(0)0
