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Spec Alpha

Specification of data and functions

Artifacts using Spec Alpha (349)
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1.Clojure20,254 usages

org.clojure » clojure EPL

Clojure core environment and runtime library.
Last Release on Dec 10, 2025

2.Shadow CLJS217 usages

thheller » shadow-cljs EPL

CLJS development tools
Last Release on Apr 28, 2026

3.Expound156 usages

expound » expound EPL

Human-optimized error messages for clojure.spec
Last Release on Jan 14, 2022

4.Core Specs Alpha142 usages

org.clojure » core.specs.alpha EPL

Specs for clojure.core
Last Release on Jan 6, 2026

5.Orchestra117 usages

orchestra » orchestra EPL

Complete instrumentation for clojure.spec
Last Release on Jan 1, 2021

6.Kaocha110 usages

lambdaisland » kaocha EPL

Full featured next generation test runner for Clojure.
Last Release on May 23, 2024

7.Tick99 usages

tick » tick MIT

Time as a value
Last Release on May 5, 2026

8.Matcher Combinators93 usages

nubank » matcher-combinators Apache

Matcher Combinators
Last Release on Jan 27, 2026

9.Spec Tools82 usages

metosin » spec-tools EPL

Clojure(Script) tools for clojure.spec
Last Release on Nov 14, 2025

10.XTDB Core48 usages

com.xtdb » xtdb-core MPL

XTDB Core
Last Release on Dec 1, 2025