Cubing Databases

General

• SpeedCube AI - The complete speedcubing knowledge base

Algorithms

• AlgDatabase
• SpeedCubeDB / Scramble Analyzer / SQ1 CSP Tracing Tool / Cross Trainer / 2 Sided PLL Recognition
• RUR'U' - Pocket reference for speedcubers
• BLDDB - 3BLD Algorithms Database / v2 / Documentation
• CubeBase - the largest interactive 3D database of Rubik's cube algorithms
• JPerm.net
• Lars Vandenbergh's CubeZone - ZB First Two Layers
• QubeDB / iOS
• Solve Rubik's Cube - Deddal / iOS
• Algorubick / Android

Puzzles

• CubeIndex - Track your cubes, unlock achievements, and explore the world's largest cube database. / GitHub / Discord
• TwistyPuzzles.com - The most comprehensive site for all around twisty puzzles / Forum / Articles / Solutions
• Jaap's Puzzle Page / Graphical overview

Reconstructions

• ClockDB
• reco.nz - A solve reconstruction database for analysis
• Cubesolv.es - The largest reconstruction database of important or interesting solves of the Rubik's Cube / GitHub

Others

• Twistypedia - a collection of terminology developed by twisty puzzle designers and enthusiasts
• SpeedCubeStats / Fingertricks library
• CubingApp / GitHub
• coLPI - collective letter-pair images database for BLD
• CubingClubs.net - Find a Cubing Club Near You
• CubePB - a website for storing and showcasing your personal bests in cubing-related events / Discord / GitHub