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Welcome to the Crystal Forum
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1
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3305
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December 4, 2018
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Create an SDK for Temporal.io
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2
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106
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April 5, 2026
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Vibe coded projects (various ports)
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1
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56
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April 5, 2026
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Vibe-coding in Crystal
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50
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1372
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April 4, 2026
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Upcoming 1.20 release
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3
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138
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April 4, 2026
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Kemal-cache: Powerful Caching for Kemal Applications
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1
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54
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April 3, 2026
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Sysrift v0.1.0 release
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3
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124
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April 3, 2026
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User-space pipe implementation
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10
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134
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April 2, 2026
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Kemal-by-example: Discover the Power of Kemal Through Practice
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3
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66
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April 2, 2026
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Data loss when writing long lines with File.print after File.set_encoding
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3
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74
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March 30, 2026
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Awful experience when add sub-command specified options use OptionParser
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5
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188
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March 28, 2026
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How to format the output of a time::span to a string? e.g. "3h24m12s"
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5
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164
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March 28, 2026
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5 Years Anniversary of Crystal 1.0
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5
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303
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March 27, 2026
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Looking for Crystal or Ruby job in Sweden/Europe
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1
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126
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March 27, 2026
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Howdy (an introduction)
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8
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218
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March 25, 2026
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Introduction
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1
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99
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March 25, 2026
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New Preview Environment service for PRs
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0
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67
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March 24, 2026
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Time Object convert to Time::Instant
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3
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68
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March 24, 2026
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Handling typing for optional dependencies
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9
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135
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March 24, 2026
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Big_number — Pure Crystal GMP replacement
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17
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290
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March 23, 2026
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Highlights of past releases
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0
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75
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March 23, 2026
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LLM-friendliness as a metric: porting 20 languages with an LLM
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12
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187
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March 22, 2026
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How to manually free allocated memory (Pointer.malloc)
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3
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409
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March 22, 2026
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[ANN] Crystal MCP - An MCP Server for Crystal Tooling
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3
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211
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March 21, 2026
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[RFC] Surviving the AI PR Flood: The Macro X-Ray & Asymmetric TDD
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17
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328
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March 21, 2026
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What is the name of the method that is the opposite of String#blank? (return bool)
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5
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106
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March 20, 2026
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Crystal multithreading support
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40
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2913
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March 20, 2026
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How to display the shards dependencies tree?
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3
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53
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March 19, 2026
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Comparing programming languages XII: The Native showdown (Spoiler alert, Crystal won)
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2
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131
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March 19, 2026
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Why Isn't Every Sane Developer Obsessed with Crystal?
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39
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756
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March 18, 2026
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