1. j2cli
2. j4-dmenu-desktop
3. jaaa
4. jabber-muc
5. jabber-querybot
6. jabberd2
7. jabref
8. jacal
9. jack
10. jack-audio-connection-kit
11. jack-capture
12. jack-delay
13. jack-example-tools
14. jack-keyboard
15. jack-midi-clock
16. jack-mixer
17. jack-stdio
18. jack-tools
19. jackd-defaults
20. jackd2
21. jackmeter
22. jackrabbit
23. jackson-annotations
24. jackson-core
25. jackson-databind
26. jackson-dataformat-cbor
27. jackson-dataformat-smile
28. jackson-dataformat-xml
29. jackson-dataformat-yaml
30. jackson-datatype-joda
31. jackson-jaxrs-providers
32. jackson-jr
33. jackson-module-jaxb-annotations
34. jackson-modules-java8
35. jacksum-sugar
36. jacktrip
37. jacoco
38. jag
39. jags
40. jailkit
41. jakarta-activation
42. jakarta-annotation-api
43. jakarta-authentication-api
44. jakarta-cdi-api
45. jakarta-el-api
46. jakarta-inject-api
47. jakarta-interceptor-api
48. jakarta-jmeter
49. jakarta-jsp-api
50. jakarta-mail
51. jakarta-servlet-api
52. jakarta-standard-taglib
53. jakarta-transaction-api
54. jakarta-validation-api
55. jaligner
56. jalv
57. jalview
58. jam
59. jam-lib
60. jama
61. jameica
62. jameica-datasource
63. jameica-h2database
64. jameica-util
65. jami
66. jamin
67. jamm
68. jamnntpd
69. jamulus
70. jane-street-headers
71. janest-base
72. janest-ocaml-compiler-libs
73. janino
74. janitor
75. jansi
76. jansi-native
77. jansi1
78. jansson
79. janus
80. japa
81. japi-compliance-checker
82. japitools
83. jaraco.classes
84. jaraco.collections
85. jaraco.context
86. jaraco.itertools
87. jaraco.stream
88. jaraco.text
89. jarchivelib
90. jardiff
91. jargon
92. jargon-text
93. jargs
94. jarjar
95. jarjar-maven-plugin
96. jas
97. jas-plotter
98. jasmin-sable
99. jasypt
100. jatl
101. jattach
102. jaula
103. java-allocation-instrumenter
104. java-atk-wrapper
105. java-classpath-clojure
106. java-comment-preprocessor
107. java-common
108. java-data-clojure
109. java-diff-utils
110. java-gnome
111. java-imaging-utilities
112. java-jmx-clojure
113. java-policy
114. java-sdp-api
115. java-sip-api
116. java-string-similarity
117. java-websocket
118. java-wrappers
119. java-xmlbuilder
120. java2html
121. java3d
122. java3ds-fileloader
123. javabeans-activation-framework
124. javacc
125. javacc-maven-plugin
126. javacc4
127. javacc5
128. javafxsvg
129. javahelp2
130. javamail
131. javamorph
132. javaparser
133. javapoet
134. javaproperties
135. javascript-common
136. javassist
137. javatools
138. javatuples
139. javawriter
140. jawn
141. jax-maven-plugin
142. jaxb
143. jaxb-api
144. jaxb2-maven-plugin
145. jaxe
146. jaxrpc-api
147. jaxrs-api
148. jaxws
149. jaxws-api
150. jaydebeapi
151. jayway-jsonpath
152. jbbp
153. jbig2dec
154. jbig2enc
155. jbigkit
156. jblas
157. jboss-bridger
158. jboss-classfilewriter
159. jboss-jdeparser2
160. jboss-logging
161. jboss-logging-tools
162. jboss-logmanager
163. jboss-modules
164. jboss-threads
165. jboss-vfs
166. jboss-xnio
167. jc
168. jcabi-aspects
169. jcabi-log
170. jcal
171. jcc
172. jcdf
173. jcharts
174. jcifs
175. jclassinfo
176. jclic
177. jcm
178. jcodings
179. jcommander
180. jconvolver
181. jcsp
182. jctools
183. jdcal
184. jdeb
185. jdependency
186. jdim
187. jdresolve
188. jdupes
189. jebl2
190. jed
191. jed-extra
192. jedit
193. jeepney
194. jeepyb
195. jeex
196. jekyll
197. jekyll-theme-minima
198. jel
199. jello
200. jellyfin-apiclient-python
201. jellyfish
202. jellyfish1
203. jemalloc
204. jengelman-shadow
205. jenkins-debian-glue
206. jenkins-job-builder
207. jenkins-json
208. jenkins-trilead-ssh2
209. jeolib-jiplib
210. jeolib-miallib
211. jep
212. jerasure
213. jericho-html
214. jeromq
215. jersey1
216. jesd
217. jesred
218. jester
219. jetring
220. jets3t
221. jetty12
222. jetty9
223. jeuclid
224. jexcelapi
225. jffi
226. jflex
227. jformatstring
228. jfractionlab
229. jfree-demos
230. jfreepdf
231. jfreesvg
232. jfsutils
233. jftp
234. jfugue
235. jgit
236. jglobus
237. jgmenu
238. jgraph
239. jgrapht
240. jgrep
241. jgromacs
242. jgrowl
243. jh7100-bootloader-recovery
244. jh71xx-tools
245. jhbuild
246. jhead
247. jheaps
248. jheatchart
249. jhighlight
250. jhove
251. jiconfont
252. jiconfont-font-awesome
253. jiconfont-swing
254. jid
255. jigdo
256. jigit
257. jigl
258. jigsaw-generator
259. jigzo
260. jikespg
261. jimfs
262. jimtcl
263. jing-trang
264. jinja-vanish
265. jinja2
266. jinja2-mode
267. jinja2-time
268. jinjax
269. jinput
270. jitescript
271. jitterdebugger
272. jitterentropy-library
273. jitterentropy-rngd
274. jkmeter
275. jlapack
276. jlex
277. jlha-utils
278. jlibeps
279. jline
280. jline2
281. jline3
282. jmagick
283. jmapviewer
284. jmdns
285. jmeters
286. jmh
287. jmock
288. jmock2
289. jmodeltest
290. jmol
291. jmtpfs
292. jna-inchi
293. jnacl
294. jnettop
295. jni-inchi
296. jnlp-servlet
297. jnoise
298. jnoisemeter
299. jnr-a64asm
300. jnr-constants
301. jnr-enxio
302. jnr-ffi
303. jnr-netdb
304. jnr-posix
305. jnr-unixsocket
306. jnr-x86asm
307. jo
308. joblib
309. joda-convert
310. jodconverter
311. jodconverter-cli
312. joe
313. john
314. jollyday
315. jolokia
316. jome
317. jool
318. joptsimple
319. jose
320. joserfc
321. josm
322. josql
323. journal-brief
324. jove
325. joy2key
326. joypy
327. joystick
328. jp
329. jp2a
330. jpathwatch
331. jpeg-compressor-cpp
332. jpeg-xl
333. jpeginfo
334. jpegjudge
335. jpegoptim
336. jpegpixi
337. jpegqs
338. jplephem
339. jpnevulator
340. jpy
341. jpylyzer
342. jq
343. jqapi
344. jqp
345. jquery
346. jquery-areyousure
347. jquery-at.js
348. jquery-caret.js
349. jquery-colorbox
350. jquery-coolfieldset
351. jquery-datetimepicker
352. jquery-geo
353. jquery-goodies
354. jquery-i18n-properties
355. jquery-i18n.js
356. jquery-lazyload
357. jquery-migrate-1
358. jquery-minicolors
359. jquery-mobile
360. jquery-reflection
361. jquery-simpletreemenu
362. jquery-sortablejs
363. jquery-tablesorter
364. jquery-throttle-debounce
365. jquery-timepicker
366. jquery-typeahead.js
367. jquery-ui-themes
368. jquery-ui-touch-punch.js
369. jquery-watermark
370. jquery.sparkline
371. jqueryui
372. jreen
373. jruby
374. jruby-joni
375. jruby-maven-plugins
376. jruby-mavengem
377. jruby-utils-clojure
378. js-of-ocaml
379. js-of-ocaml-ocamlbuild
380. js2-mode
381. js8call
382. jsamp
383. jsap
384. jsbundle-web-interfaces
385. jsch
386. jsch-agent-proxy
387. jschema-to-python
388. jscropperui
389. jsdebugger
390. jsdoc-toolkit
391. jsemver
392. jshash
393. jshon
394. jsjac
395. jskeus
396. jsmath
397. jsmath-fonts
398. jsmath-fonts-sprite
399. jsmn
400. jsofa
401. json-c
402. json-editor.js
403. json-glib
404. json-js
405. json-schema-test-suite
406. json-simple
407. json-smart
408. json-test-data
409. json-tricks
410. json11
411. json2file-go
412. json4s
413. jsonb-api
414. jsoncons
415. jsonhyperschema-codec
416. jsonld-java
417. jsonlint
418. jsonm
419. jsonnet
420. jsonpath-ng
421. jsonpickle
422. jsonrpc-glib
423. jsonrpclib-pelix
424. jsoup
425. jsp-api
426. jsquery
427. jsrender
428. jss
429. jssc
430. jst-config
431. jstest-gtk
432. jstimezonedetect.js
433. jstyleson
434. jsurf-alggeo
435. jsusfx
436. jsxgraph
437. jtb
438. jtdx
439. jtex-base
440. jtharness
441. jthread
442. jtidy
443. jtreg
444. jtreg6
445. jtreg7
446. jtreg8
447. jts
448. jube
449. juce
450. judy
451. juffed
452. jug
453. jugglinglab
454. juk
455. julia
456. juman
457. jumbo
458. jumpnbump
459. jumpnbump-levels
460. junior-doc
461. junit
462. junit2html
463. junit4
464. junit5
465. junit5-system-exit
466. junitparser
467. junixsocket
468. junos-eznc
469. jupp
470. jupyter-cache
471. jupyter-client
472. jupyter-comm
473. jupyter-console
474. jupyter-core
475. jupyter-events
476. jupyter-kernel-test
477. jupyter-notebook
478. jupyter-packaging
479. jupyter-server
480. jupyter-server-mathjax
481. jupyter-server-terminals
482. jupyter-sphinx
483. jupyter-sphinx-theme
484. jupyter-telemetry
485. jupyterhub
486. jupyterlab
487. jupyterlab-pygments
488. jupyterlab-server
489. jupytext
490. justbackoff
491. justbuild
492. jutils
493. jverein
494. jvyamlb
495. jwchat
496. jwm
497. jws-api
498. jxgrabkey
499. jxplorer
500. jxrlib
501. jython
502. jzip
503. jzlib
504. jzmq