Open sourceDataIntermediate
dbt Core
Analytics-engineering transformation tool for SQL modeling, data tests, and collaborative workflows.
dbt LabsAbout 2 hrsqldata-modeling
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测试
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Open sourceFrontendIntermediate
Next.js
Official repository for the React full-stack framework, with documentation, tests, and contribution issues.
VercelAbout 2 hrreacttypescript
Open sourceDataIntermediate
pandas
Official Python data-analysis library; documentation, tests, and edge cases provide approachable contributions.
pandasAbout 2 hrpythondataframe
Open sourceFrontendIntermediate
React
Official React repository for learning modern UI internals through docs, tests, and issue discussions.
MetaAbout 2 hrjavascriptreact
Open sourceDataIntermediate
scikit-learn
Classic machine-learning library for understanding production algorithms through examples, docs, and tests.
scikit-learnAbout 2 hrpythonstatistics
Open sourceBackendAdvanced
Spring Boot
Official Java enterprise framework repository for large-scale testing, builds, and compatibility work.
BroadcomAbout 2 hrjavaspring
Open sourceFrontendIntermediate
Svelte
Official repository for Svelte, including its compiler, runtime, and extensive test suite.
SvelteAbout 2 hrsveltejavascript