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. jbibtex
154. jbig2dec
155. jbig2enc
156. jbigkit
157. jblas
158. jboss-bridger
159. jboss-classfilewriter
160. jboss-jdeparser2
161. jboss-logging
162. jboss-logging-tools
163. jboss-logmanager
164. jboss-modules
165. jboss-threads
166. jboss-vfs
167. jboss-xnio
168. jc
169. jcabi-aspects
170. jcabi-log
171. jcal
172. jcc
173. jcdf
174. jcharts
175. jcifs
176. jclassinfo
177. jclic
178. jcm
179. jcodings
180. jcommander
181. jconvolver
182. jcsp
183. jctools
184. jdcal
185. jdeb
186. jdependency
187. jdim
188. jdresolve
189. jdupes
190. jebl2
191. jed
192. jed-extra
193. jedit
194. jeepney
195. jeepyb
196. jeex
197. jekyll
198. jekyll-theme-minima
199. jel
200. jello
201. jellyfin-apiclient-python
202. jellyfish
203. jellyfish1
204. jemalloc
205. jengelman-shadow
206. jenkins-debian-glue
207. jenkins-job-builder
208. jenkins-json
209. jenkins-trilead-ssh2
210. jeolib-jiplib
211. jeolib-miallib
212. jep
213. jerasure
214. jericho-html
215. jeromq
216. jersey1
217. jesd
218. jesred
219. jester
220. jetring
221. jets3t
222. jetty12
223. jetty9
224. jeuclid
225. jexcelapi
226. jffi
227. jflex
228. jformatstring
229. jfractionlab
230. jfree-demos
231. jfreepdf
232. jfreesvg
233. jfsutils
234. jftp
235. jfugue
236. jgit
237. jglobus
238. jgmenu
239. jgraph
240. jgrapht
241. jgrep
242. jgromacs
243. jgrowl
244. jh7100-bootloader-recovery
245. jh71xx-tools
246. jhbuild
247. jhead
248. jheaps
249. jheatchart
250. jhighlight
251. jhove
252. jiconfont
253. jiconfont-font-awesome
254. jiconfont-swing
255. jid
256. jigdo
257. jigit
258. jigl
259. jigsaw-generator
260. jigzo
261. jikespg
262. jimfs
263. jimtcl
264. jing-trang
265. jinja-vanish
266. jinja2
267. jinja2-mode
268. jinja2-time
269. jinjax
270. jinput
271. jitescript
272. jitterdebugger
273. jitterentropy-library
274. jitterentropy-rngd
275. jkmeter
276. jlapack
277. jlex
278. jlha-utils
279. jlibeps
280. jline
281. jline2
282. jline3
283. jmagick
284. jmapviewer
285. jmdns
286. jmeters
287. jmh
288. jmock
289. jmock2
290. jmodeltest
291. jmol
292. jmtpfs
293. jna-inchi
294. jnacl
295. jnettop
296. jni-inchi
297. jnlp-servlet
298. jnoise
299. jnoisemeter
300. jnr-a64asm
301. jnr-constants
302. jnr-enxio
303. jnr-ffi
304. jnr-netdb
305. jnr-posix
306. jnr-unixsocket
307. jnr-x86asm
308. jo
309. joblib
310. joda-convert
311. jodconverter
312. jodconverter-cli
313. joe
314. john
315. jollyday
316. jolokia
317. jome
318. jool
319. joptsimple
320. jose
321. joserfc
322. josm
323. josql
324. journal-brief
325. jove
326. joy2key
327. joypy
328. joystick
329. jp
330. jp2a
331. jpathwatch
332. jpeg-compressor-cpp
333. jpeg-xl
334. jpeginfo
335. jpegjudge
336. jpegoptim
337. jpegpixi
338. jpegqs
339. jplephem
340. jpnevulator
341. jpy
342. jpylyzer
343. jq
344. jqapi
345. jqp
346. jquery
347. jquery-areyousure
348. jquery-at.js
349. jquery-caret.js
350. jquery-colorbox
351. jquery-coolfieldset
352. jquery-datetimepicker
353. jquery-geo
354. jquery-goodies
355. jquery-i18n-properties
356. jquery-i18n.js
357. jquery-lazyload
358. jquery-migrate-1
359. jquery-minicolors
360. jquery-mobile
361. jquery-reflection
362. jquery-simpletreemenu
363. jquery-sortablejs
364. jquery-tablesorter
365. jquery-throttle-debounce
366. jquery-timepicker
367. jquery-typeahead.js
368. jquery-ui-themes
369. jquery-ui-touch-punch.js
370. jquery-watermark
371. jquery.sparkline
372. jqueryui
373. jreen
374. jruby
375. jruby-joni
376. jruby-maven-plugins
377. jruby-mavengem
378. jruby-utils-clojure
379. js-of-ocaml
380. js-of-ocaml-ocamlbuild
381. js2-mode
382. js8call
383. jsamp
384. jsap
385. jsbundle-web-interfaces
386. jsch
387. jsch-agent-proxy
388. jschema-to-python
389. jscropperui
390. jsdebugger
391. jsdoc-toolkit
392. jsemver
393. jshash
394. jshon
395. jsjac
396. jskeus
397. jsmath
398. jsmath-fonts
399. jsmath-fonts-sprite
400. jsmn
401. jsofa
402. json-c
403. json-editor.js
404. json-glib
405. json-js
406. json-schema-test-suite
407. json-simple
408. json-smart
409. json-test-data
410. json-tricks
411. json11
412. json2file-go
413. json4s
414. jsonb-api
415. jsoncons
416. jsonhyperschema-codec
417. jsonld-java
418. jsonlint
419. jsonm
420. jsonnet
421. jsonpath-ng
422. jsonpickle
423. jsonrpc-glib
424. jsonrpclib-pelix
425. jsoup
426. jsp-api
427. jsquery
428. jsrender
429. jss
430. jssc
431. jst-config
432. jstest-gtk
433. jstimezonedetect.js
434. jstyleson
435. jsurf-alggeo
436. jsusfx
437. jsxgraph
438. jtb
439. jtdx
440. jtex-base
441. jtharness
442. jthread
443. jtidy
444. jtreg
445. jtreg6
446. jtreg7
447. jtreg8
448. jts
449. jube
450. juce
451. judy
452. juffed
453. jug
454. jugglinglab
455. juk
456. julia
457. juman
458. jumbo
459. jumpnbump
460. jumpnbump-levels
461. junior-doc
462. junit
463. junit2html
464. junit4
465. junit5
466. junit5-system-exit
467. junitparser
468. junixsocket
469. junos-eznc
470. jupp
471. jupyter-cache
472. jupyter-client
473. jupyter-comm
474. jupyter-console
475. jupyter-core
476. jupyter-events
477. jupyter-kernel-test
478. jupyter-notebook
479. jupyter-packaging
480. jupyter-server
481. jupyter-server-mathjax
482. jupyter-server-terminals
483. jupyter-sphinx
484. jupyter-sphinx-theme
485. jupyter-telemetry
486. jupyterhub
487. jupyterlab
488. jupyterlab-pygments
489. jupyterlab-server
490. jupytext
491. justbackoff
492. justbuild
493. jutils
494. jverein
495. jvyamlb
496. jwchat
497. jwm
498. jws-api
499. jxgrabkey
500. jxplorer
501. jxrlib
502. jython
503. jzip
504. jzlib
505. jzmq