1. Java library for horizontal tree display

  2. What library should I use for handling CLI arguments for my Java program?

  3. Maze generator library
  4. Staging Artifacts in Java

  5. Java High Level Game Library Recommendation - Maintained Alternatives to Slick2D?

  6. Homomorphic Cryptography API in Java
  7. Java calendar library with support for recurring events / exceptions, etc

  8. Client-server communication solution

  9. Java library for multi-media and graphics

  10. Java Image Dimension Detection
  11. Need Dynamic S Box Library in Java
  12. Actual implementation of JSR-353 (JSON)?

  13. A Java library for language-independent source code analysis

  14. DSA provider for java
  15. Are there any frameworks for DDD?

  16. Language preferable for designing desktop widgets

  17. Cross-platform IDE alternative to MS Visual Studio - other than Eclipse CDT

  18. Looking for Java library for boolean minimization

  19. how to run id3lib dll library?

  20. Java web app authentication framework similar to django-auth

  21. server-side & client-side templating engine for Java
  22. Maven plugin for preprocessing and generating sources
  23. What kind of generic plugin architecture is available, which can be supported by a libray?
  24. What Java ORM can give me both dynamic SQL and control of the ResultSet at the same time?

  25. Preserving existing comments when parsing, modifying and dumping a YAML document

  26. Java library implementing JavaScript DOM for XML parsing

  27. Css for Javafx application in IntelliJ for free

  28. Java equivalent to NumPy
  29. Library for converting PDF/DOC(X)/XLS to EPUB in Android

  30. Is there any way to make an HTTP/2 request with Java 8, without installing ALPN?
  31. WebP library for Java?

  32. Framework or CMS to build e-learning webapp

  33. File converting to pdf

  34. Java chart libraries suitable for realtime stock charts?

  35. Search for methods that catch one exception throw
  36. Dynamic diploma generation

  37. Java native implementation to handling Modular Crypt Format

  38. library for PDF reports

  39. Library for a Java tool to draw, using drag and drop from given pallet of icons
  40. Open-source Java-based scheduler with web user interface

  41. Machine Learning library in Java

  42. Sharplab Java equivalent
  43. API to read, write and manipulate msword files

  44. Is there a framework/library/... that supplies web UI components for table/record navigation and filtering?

  45. Looking for Scala or Java library that supports symbolic algebra and step-by-step symbolic solutions
  46. tool to find classes that directly or indirectly depend on a given class

  47. Open source tool available to parse text content from documents
  48. Open source tool to extract text from developer file types
  49. Open source tool to do OCR
  50. Open source tool to parse text content from pdf file types

  51. Java Application Server for high number of requests

  52. What is the best open source tool to parse text content from files to make it available for search?

  53. How can I have builds fail if new code is below coverage threshold?
  54. Bug/issue tracker for small extent team

  55. An interactive desktop app with Java (free GIS tools, api, bib, …)
  56. Eclipse plugin to warn about recursion

  57. Point label positioning library for Java development

  58. Is there a Java Shunting Yard Framework?
  59. Machine learning in Java

  60. What tool could be used to develop multi-platform games with libGDX?
  61. Which simple data storage option for large amount of non-relational data
  62. JavaFX Markdown Renderer

  63. Java video manipulation library

  64. Java utility to merge continous CIDR blocks
  65. Java implementation of Supersingular isogeny Diffie–Hellman key exchange (SIDH)

  66. Android apps and Websites to learn Java and C

  67. InputStream that spools to disk asynchronously

  68. What JVM is free for commercial use on servers with Java 8 web application?

  69. Extracting hard coded strings from different type of codebases

  70. Replacement for jxDBCon?

  71. Java object cache (in-memory)
  72. Java/JS library to detect (not validate) emails and/or phone numbers in text

  73. AR development Library in Android

  74. Redis Client - Java 1.4 compatible

  75. Travelling Salesman: Java library
  76. Spherical Travelling Salesman: Java library
  77. jar reverse obfuscation tool

  78. Open source wiki in Java (similar to Foswiki)

  79. Java graph library with visualization on console
  80. Tool for counting total needed lines of code in a Java project (including code in library projects)

  81. Java scientific math library to solve a string

  82. Installation package generator for Postgres, Tomcat, Java (jre) and a war file

  83. Appointment Management Library for Java

  84. Command-line option parser for Java

  85. What would be the best RTF to RTF template engine for Spring MVC

  86. Open Source bug tracking software, implemented in Java

  87. Java wrapper class for accessing object stores
  88. Add online WYSIWYG to my web app
  89. How can i run my service on a clustered environment?

  90. Simple storage engines or low-level databases embeddable in Java
  91. IntelliJ plugin or other software to generate Java code maps
  92. Offline database for Java

  93. Java framework/API for peer to peer communication through the network

  94. Embedded database on Java
  95. Free or nearly free PDF library for Java

  96. java/jasmin class file editor with support for stackmap tables
  97. Tool for generating test case document from javadoc

  98. End to end encryption library for Android
  99. Open Source Java Solution to distribute jobs and start multiple JVM workers

  100. Multi-threaded server and workflows with big bottlenecks