Celeste Community Resources Sheet - contains links to most things listed below

#Any% Programmatic's Celeste Any% Tutorial - video guide by @Programmatic, most recommended for runners looking to improve and get good times. Slightly outdated in parts but can get you to time in the low 3x:xx range if used well.

How To Train A Speedrunner - guide by @frozenflygone for beginners to speedrunning Celeste/speedrunning in general, covers stuff like keybinds, practice tools/tips, important tricks, a chapter by chapter breakdown and more

Cue Collection - guide by @koralreef containing cues and explanations for some of the harder strats in Any%

Celeste Beginner's Guide - general guide for those getting into speedrunning Celeste for those who have never speedrun before by @espel

Staple advice for new runners - short pastebin detailing some key things to know before learning to run

Sub-30 Checkpoint Reference Sheet - document compiling checkpoint speedruns roughly aimed towards a goal of 29 Any%

Advanced Any% Tutorial PT BR - video playlist by @PedroNeves027 in Portuguese with English subtitles

#All Red Berries

All Red Berries tutorial series - guide by @profnyan, @Tiyo, and @Xenoras covering each chapter in the ARB route, including a 6B tutorial

ARB Guide - guide by buhbai containing cues and explanations for some of the harder strats in ARB

ARB Ice Skip Guide by @Geodoc

#B-Sides

B-Side Tutorial Series - video series guide by @profnyan, @Tiyo and @zaprey covering all of the B-Sides

B-Side Checkpoint Reference Sheet - document compiling B-Side checkpoint speedruns with reasonable mid-high level strats for fullgame B-Side categories

#Miscellaneous Strat Tutorials

3A Demodash Tutorial by @Tiyo

Farewell DTS Tutorial/Explanation by @amberlovesarchie, or Farewell Dash Trigger Skip Tutorial by @DeathKontrol

4A Ceiling Pop Tutorial by @Tiyo

4A Second Blockless Pause Buffer Guide by @Markers011

Pause Buffering Fundamentals by @profnyan

Playlist - a few miscellaneous guides by @Flesh177 covering cornerboosts, spikejumps and archie