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Welcome to the Crystal Forum
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1
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3073
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December 4, 2018
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RFC: Standard Image Types in Stdlib
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16
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195
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January 16, 2026
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Announcing CrymbleUI - a modern, native Crystal GUI framework
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14
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246
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January 16, 2026
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Vibe-coding in Crystal
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9
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228
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January 15, 2026
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Doing Raytracer in Crystal
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84
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3729
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January 15, 2026
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Do you like Finite State Machines?
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5
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171
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January 15, 2026
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Empty content when reading 'big' packets on TCP/IP
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4
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83
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January 15, 2026
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State & Plans of GUI development with Crystal
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77
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12956
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January 15, 2026
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\b in regexp is word boundary, not backspace
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4
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49
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January 15, 2026
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Sdl3 Bindings for crystal
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4
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96
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January 15, 2026
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Nicolino v0.5.0
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1
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73
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January 14, 2026
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Crystal on OpenIndiana
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5
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119
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January 14, 2026
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Crystal spec is VERY slow and very high CPU usage when the first time run `crystal spec -O1`
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9
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143
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January 13, 2026
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LSP implementation for Crystal on Windows
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15
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394
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January 13, 2026
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Announcing CrImage - Pure Crystal Image Processing Library
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16
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379
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January 12, 2026
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Matter protocol
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0
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60
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January 11, 2026
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Book: Crystal Programming
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26
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12113
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January 11, 2026
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Airsailer - open source Cloud orchestrator in Crystal
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10
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554
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January 10, 2026
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How/Why did you find Crystal?
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18
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425
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January 8, 2026
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Announcing H3O Embrace - pure Crystal data management application
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4
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162
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January 8, 2026
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Favorite underrated Shard?
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1
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169
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January 7, 2026
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C-binding type signature for pointer or nil
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9
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102
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January 7, 2026
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TIL: crystal-pg low performance with SSL
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20
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408
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January 7, 2026
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Crystal's Homebrew Downloads - 30 days vs 365 days
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1
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100
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January 6, 2026
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A static site generator using Crystal
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27
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1113
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January 5, 2026
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Rewrite the ruby version of rbtris(which use ruby2d gem) use sdl.cr, the screen refresh doesn't seem to work correctly
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11
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316
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January 5, 2026
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Using Software Engineering agents
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6
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87
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January 5, 2026
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Mixed memory model for Crystal
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7
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176
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January 5, 2026
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Any way to specify default -D options?
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5
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118
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January 5, 2026
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Crystal 2026 Predictions
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6
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261
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January 6, 2026
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