Letter J
| J | 2 projects |
| j2ee | 29 projects |
| J2ME | 193 projects |
| J2ME MIDP | 1 project |
| J2ME MIDP 2.0 | 9 projects |
| j2se | 17 projects |
| ja | 1 project |
| Jabber | 25 projects |
| Jack | 20 projects |
| jackrabbit | 7 projects |
| JActor | 4 projects |
| jade | 2 projects |
| jadif | 1 project |
| JadRetro | 1 project |
| JAI | 2 projects |
| jam | 1 project |
| jamendo | 1 project |
| JAN | 1 project |
| Japanese | 305 projects |
| Japanese (part) | 2 projects |
| jar | 3 projects |
| JArgs | 1 project |
| Jari OS | 1 project |
| JASocket | 1 project |
| Jason | 1 project |
| Jasper Reports | 4 projects |
| JasperReports | 4 projects |
| JasperReports component | 2 projects |
| Java | 6611 projects |
| Java 1.5 | 7 projects |
| Java 1.5+ | 52 projects |
| Java 1.6 | 13 projects |
| Java 1.6+ | 78 projects |
| Java 1.7 | 3 projects |
| Java 1.7+ | 9 projects |
| Java 2 Platform | 1 project |
| Java 5 | 57 projects |
| Java 5+ | 18 projects |
| Java 6 | 98 projects |
| Java 6 SE | 5 projects |
| Java 6+ | 30 projects |
| Java 7 | 10 projects |
| Java Actors | 1 project |
| Java Actors Serialization | 1 project |
| java agent | 1 project |
| Java Annotations | 6 projects |
| Java API | 14 projects |
| Java Applet | 4 projects |
| java applications | 8 projects |
| java backend | 2 projects |
| Java based OS | 2 projects |
| Java Capable | 16 projects |
| java cdc | 1 project |
| Java character recognition component | 1 project |
| java class | 1 project |
| Java Connector | 1 project |
| Java EE | 13 projects |
| Java EE 5 | 5 projects |
| Java EE 6 | 7 projects |
| Java EE Servlets | 1 project |
| Java Instrumentation | 1 project |
| Java L | 1 project |
| java libgdx | 1 project |
| Java Libraries | 1153 projects |
| Java library | 23 projects |
| Java library reflection | 1 project |
| java macros | 1 project |
| Java ME | 13 projects |
| Java MIDP | 3 projects |
| Java OCR Component | 1 project |
| Java OCR libraries | 1 project |
| Java Runtime Environment | 19 projects |
| Java Runtime Environment 1.5 | 6 projects |
| Java Runtime Environment 6 | 17 projects |
| Java Runtime Environment 7 | 2 projects |
| Java SE | 16 projects |
| Java SE 1.5 (Java 5) | 1 project |
| Java SE 1.6 (Java 6) | 1 project |
| Java SE 6 | 1 project |
| Java servlet | 2 projects |
| Java Stax | 2 projects |
| Java Syslog | 2 projects |
| Java Unified Expression Language (JUEL) | 1 project |
| Java Vaadin HTML AJAX MySQL Servlets | 1 project |
| Java Virtual Machine | 9 projects |
| Java WebSphere MQ | 1 project |
| java-libraries | 1 project |
| Java/Swing | 1 project |
| Java3D | 3 projects |
| JavaCard | 2 projects |
| JavaCC | 2 projects |
| JavaDB | 1 project |
| javadoc | 4 projects |
| JavaEE | 4 projects |
| javafx | 6 projects |
| JavaMail | 3 projects |
| JavaMail API | 1 project |
| javame | 4 projects |
| Javanese | 3 projects |
| javapos | 1 project |
