beyond jj: config & tools ecosystem

A survey of jj configuration files and tools built and shared by the jj community to accomplish common (or not so common) tasks.

Transcript

1. beyond jj con g & tools ecosystem fi André Arko / spinel.coop JJCon 2026 / September 16, 2026
2. beyond jj con g & tools ecosystem fi André Arko / spinel.coop JJCon 2026 / September 16, 2026
3. André Arko @indirect spinel.coop
4. last time on JJCon
5. this episode 1. inside jj 2. around jj 3. outside jj
6. inside jj
7. jj bookmark advance
8. jj bisect run
9. jj run
10. fi jj x
11. jj tag
12. jj arrange
13. jj arrange
14. jj converge
15. around jj
16. subcommand aliases
17. aliases.subcommand = ["util", "exec", "--", "bash", "-c", 'jj "$0 $1" "${@:2}"'] aliases.foo = ["subcommand", "foo"] aliases."foo bar" = ["..."] aliases."foo baz" = ["..."]
18. aliases.subcommand = ["util", "exec", "--", "bash", "-c", 'jj "$0 $1" "${@:2}"'] aliases.foo = ["subcommand", "foo"] aliases."foo bar" = ["..."] aliases."foo baz" = ["..."] 1. jj foo bar ARGS 2. jj subcommand foo bar ARGS 3. jj util exec -- bash -c 'jj "foo bar" ARGS' 4. jj "foo bar" ARGS
19. subcommand aliases
20. fi de nitely not git push
21. publish = ["util", "exec", "bash", "--", "-c", ''' jj git-hooks-run-pre-push @ && jj bookmark advance -t 'closest_pushable(@)' && jj git push -b 'closest_bookmark(@)' && jj track-if-untracked 'closest_bookmark(@)' ''']
22. jj publish (?)
23. alias directory
24. alias directory
25. forge support
26. GitHub stacked PRs
27. JJHub
28. radicle.dev
31. early access only
32. early access only ersc.io revset.dev juju.bi vex.sc
33. outside jj
34. GUIs
35. gg https://github.com/gulbanana/gg
36. jayjay https://github.com/hewigovens/jayjay
37. lightjj https://github.com/chronologos/lightjj
38. jjewel https://checksimsoftware.com/jjewel weiff https://github.com/isgj/weiff
39. TUIs
40. lazyjj https://github.com/Cretezy/lazyjj
41. jj_tui https://github.com/faldor20/jj_tui
42. jj-fzf https://github.com/tim-janik/jj-fzf
43. jjui https://github.com/idursun/jjui
44. majjit https://github.com/anthrofract/majjit
45. more jj TUIs blazingjj gojo jif jj-tui jk jufu github.com/blazingjj/blazingjj github.com/0xhckr/gojo github.com/jrpat/jif github.com/madicen/jj-tui github.com/joshka/jk github.com/hkrhd/jufu
46. editors
47. Visual JJ https://www.visualjj.com/
48. jjk https://github.com/keanemind/jjk
49. jj-view https://github.com/brychanrobot/jj-view
50. JetBrains vim selvejj.com github.com/kkkev/jj-idea github.com/zenibako/vim-fujjitive github.com/NicolasGB/jj.nvim Emacs helix github.com/bolivier/jj-mode.el github.com/0WD0/majutsu github.com/icorbrey/jj.hx github.com/waddie/juju
51. fl work ows
52. jj-spr https://github.com/jennings/jj-spr
53. jj-stack https://github.com/keanemind/jj-stack
54. jj-vine https://codeberg.org/abrenneke/jj-vine
55. more work ow tools fl jj-gh jj-ryu jx stakk github.com/mrjones2014/jj-gh github.com/dmmulroy/jj-ryu github.com/solodov/jx github.com/glennib/stakk
56. merging
57. merge tools mergiraf.org github.com/Ataraxy-Labs/weave
58. diff display
59. difftastic https://github.com/Wilfred/difftastic
60. delta https://github.com/dandavison/delta
61. diff editing
62. scm-record https://github.com/arxanas/scm-record
63. jj-hunk https://github.com/laulauland/jj-hunk
64. hunk.nvim https://github.com/julienvincent/hunk.nvim
65. jj-diff https://github.com/KyleKing/jj-diff
66. jj-diff.el https://github.com/ccqpein/jj-diff.el
67. oyui https://github.com/emilien-jegou/oyui
68. workspaces jujutsu-gi github.com/daeh/jujutsu-gi jj-navi github.com/eersnington/jj-navi hrd github.com/hugoh/hrd renri github.com/yukimemi/renri smth github.com/amnn/smth
69. in conclusion tell me about cool jj tools!
70. questions? André Arko / JJCon 2026 / September 16, 2026 spinel.coop