Top Java REST API Libraries 2025

GitHub Libraries → Java → REST API Libraries

• Admin Libraries 1
• AI / ML Libraries 17
• Alternative JDK 2
• AOP Libraries 2
• API Gateways 3
• Architecture Libraries 12
• Auth Libraries 6
• Automation Libraries 1
• AWS Libraries 3
• Barcode Libraries 1
• Batch Processing Libraries 2
• BDD Libraries 7
• Bean Mappers 2
• BigData Libraries 2
• Bot Libraries 2
• Build Tools 7
• Bytecode Libraries 1
• Caching Libraries 5
• Captcha Libraries 1
• Charting Libraries 2
• Chromium Libraries 1
• CLI Libraries 3
• CMS Libraries 1
• Code Analysis Tools 1
• Code Generators 5
• Code Quality Tools 11
• Compression Libraries 2
• Concurrency Libraries 5
• Configuration Libraries 6
• Connection Pools 2
• Constraint Solvers 3
• CQRS Libraries 1
• Cron Libraries 2
• CSS Libraries 1
• CSV Libraries 2
• Data Platforms 13
• Data Science Libraries 6
• Data Structures 11
• Database Libraries 23
• Database Migration Tools 2
• Databases 9
• DataFrame Libraries 3
• Date / Time Libraries 3
• DDD Libraries 1
• Debugging Tools 1
• Decompilers 1
• Dependency Injection Libraries 2
• Docker Libraries 1
• Documentation Libraries 1
• eCommerce Platforms 2
• ElasticSearch Libraries 5
• Email Libraries 5
• Emoji Libraries 1
• Emulators 1
• Encryption Tools 4
• Event Bus Libraries 2
• Filesystem Libraries 1
• Finance Libraries 12
• Full-stack Frameworks 8
• Functional Programming Libraries 1
• Game Dev Libraries 4
• Game Engines 1
• Geospatial Libraries 5
• Git Libraries 1
• GitHub Clients 3
• Gradle Plugins 5
• Graphics Libraries 2
• GraphQL Libraries 1
• GUI Frameworks 7
• HTML Libraries 1
• HTTP Clients 4
• ID Generators 3
• IDE 1
• Image Libraries 4
• Integration Frameworks 3
• Interop Libraries 1
• IO Libraries 3
• IoT Libraries 2
• JavaFX Libraries 3
• JMX Libraries 1
• Job Scheduling Libraries 8
• JSON Libraries 3
• JWT Libraries 3
• Linters 2
• LLM Libraries 5
• Logging Libraries 7
• Math Libraries 4
• Maven Plugins 5
• Media Servers 2
• Messaging Libraries 4
• Metrics Libraries 1
• Microservices Frameworks 12
• Mocking Libraries 4
• Money Libraries 2
• MongoDB Libraries 1
• Monitoring Tools 5
• Mutation Testing Libraries 1
• MySQL Libraries 3
• Networking Libraries 3
• NLP Libraries 5
• Obfuscators 3
• Observability Tools 7
• OpenAPI Libraries 1
• Orchestration Frameworks 7
• ORM Libraries 11
• Parsing Libraries 2
• Payment Libraries 3
• PDF Libraries 8
• Performance Testing Tools 2
• Phone Number Libraries 1
• Postgres Libraries 4
• Profiling Tools 1
• Raft Libraries 3
• Raspberry Libraries 1
• Rate Limiters 4
• Reactive Libraries 4
• Redis Libraries 4
• Reflection Libraries 1
• Regex Libraries 1
• REPL Libraries 1
• Reporting Tools 9
• Resilience Libraries 6
• REST API Libraries 2
• Retry Libraries 4
• Reverse Engineering Tools 2
• RPC Libraries 3
• RSS Libraries 1
• Rule Engines 2
• Saga Libraries 1
• Screenshot Libraries 1
• Scripting Libraries 1
• Search Libraries 11
• Security Libraries 19
• Semantic Web Libraries 2
• Serialization Libraries 4
• SMS Libraries 2
• SSH Libraries 2
• Starters 1
• State Machine Libraries 2
• Statistics Libraries 1
• Storage Libraries 1
• Swing Libraries 2
• System Libraries 3
• Template Engines 7
• Test Data Generators 2
• Testing Libraries 52
• Transaction Managers 3
• Transaction Outbox Libraries 2
• URL Libraries 1
• Utilities 10
• Validation Libraries 5
• Vector Search Libraries 1
• Version Managers 1
• WASM Libraries 1
• Web Automation Libraries 5
• Web Frameworks 11
• Web Scrapers 5
• WebRTC Libraries 2
• WebSocket Libraries 1
• WeChat Libraries 2
• Word / Excel Libraries 6
• Workflow Engines 11
• XML Libraries 5