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)Research & Education·Online Learning Platforms·Study Assistants0
United States Stamp CatalogA Chrome extension that provides a comprehensive reference catalog for United States postage stamps, perfect for philatelists and hobbyist collectors.(0)Research & Education·Knowledge Management Tools0
Scales Practice GeneratorFree online tool to randomly generate scale practice sessions for ABRSM and Trinity graded music exams. Covers piano, woodwind, brass, strings, and more across all grades.(0)Research & Education·Online Learning Platforms·Study Assistants0
ReefAppReefApp is a free marine aquarium app with a comprehensive encyclopedia of reef fish and invertebrates, water parameter tracking, and dosing calculators for reef hobbyists.(0)Data & Analytics·Research & Education·Knowledge Management Tools0
PracticaPractica is a free Android app that generates unique music practice exercises, offers ear training across scales, and creates endless melodic inspiration for musicians of all levels.(0)Audio & Voice Tools·AI Music Generators·Study Assistants0
MantisX - Archery AppMantisX is a free archery training app that pairs with a hardware sensor to analyze your shooting mechanics, track session history, and help you build consistent accuracy.(0)Productivity·Data & Analytics·Research & Education0
KravTrainerKravTrainer is a free Android app with 300+ randomized Krav Maga attacks presented via animation, text, and speech to make solo training more effective.(0)Productivity·Research & Education0
KalaamKalaam helps you understand Quranic Arabic with personalized lessons, spaced repetition, and daily challenges — 100% free. Join 200,000+ students.(0)Online Learning Platforms·Study Assistants0
Archery CalculatorsFree archery calculators for bow setup and arrow selection. Calculate arrow spine, draw length, FOC, kinetic energy, and more for recurve, compound, crossbow, and traditional archery. Instant results, no sign-up required.(0)Productivity·Data & Analytics·Research & Education0
Tricky BridgeLearn bridge the fun way with Tricky Bridge. 57 structured lesson modules, unlimited robot practice, and online duplicate tournaments — free on iPhone, iPad, and Android.(0)Research & Education·Online Learning Platforms·Study Assistants0