Alternatives and similar repositories for LegacyHelper:

Users that are interested in LegacyHelper are comparing it to the libraries listed below

• Sporif / firefox-quantum-userchromejs
  Firefox Quantum-compatible custom javascript in browser context — no extension, userChromeJS replacement
  ☆36Updated 5 years ago
• Infocatcher / Right_Links_WE
  WebExtensions port of Right Links extension for Firefox
  ☆28Updated 3 years ago
• Lootyhoof / stylem
  User styles manager for Pale Moon and other Mozilla-style software
  ☆22Updated 2 years ago
• Infocatcher / Custom_Buttons
  Buttons for Custom Buttons extension for Firefox (and other Gecko-based applications)
  ☆38Updated last year
• 117649 / Tab-Groups
  Reimplementation of Firefox Tab Groups as an add-on.
  ☆23Updated 3 weeks ago
• dotiful / firefox-scripts
  Custom tweaks and preferences for Firefox
  ☆51Updated 9 months ago
• davidmhammond / contextlets
  A WebExtension for adding custom context menu items that execute JavaScript.
  ☆20Updated 4 years ago
• PerfectSlayer / scrollupfolder
  A firefox addon wich goes up a folder of a website.
  ☆21Updated 2 years ago
• jonnyrobbie / UserChrome-Tweaks
  A community maintained repository of userChrome.css tweaks for Firefox
  ☆12Updated 7 years ago
• sumzary / yt2p
  Watch videos in an external player.
  ☆22Updated 6 years ago
• trubens / reloadInAddressBarExtension
  Extension that places the reload button in the address bar
  ☆17Updated 3 years ago
• Aris-t2 / CustomizeMyBird
  Customize Thunderbird 52-60.x (no support for Thunderbird 68+)
  ☆16Updated 5 years ago
• nkestrel / dragselectlinktext
  Firefox browser addon - Select link text with easy drag gestures.
  ☆28Updated 2 years ago
• luben / load-progress-bar
  Minimalistic load progress bar addon for Firefox
  ☆31Updated 6 months ago
• claustromaniac / httpz
  Fat-free hardenable opportunistic encryption for Firefox
  ☆63Updated 4 years ago
• Shadow-of-Colossus / Firefox-CSS
  A mish mash of css files to change Firefox appearance, more of old style
  ☆9Updated 3 years ago
• mozlima / redirectbypasser
  Avoid redirects and has direct access to the sites you want to visit.
  ☆23Updated 8 years ago
• crssi / Firefox
  ☆25Updated last month
• oinkin / treestyletab
  Tree Style Tab bare minimum working version for Pale Moon
  ☆27Updated 2 years ago
• TinyRaindrop / Firefox-UI-customization
  Changing Firefox UI with custom CSS
  ☆30Updated 2 months ago
• earthlng / FFprefs-diffs
  listing differences in Firefox prefs
  ☆32Updated 2 years ago
• darktrojan / betterimageviewer
  Better Image Viewer for Firefox
  ☆20Updated 3 years ago
• rNeomy / clean-uninstall
  Remove addons fingerprints upon uninstall in Firefox browser
  ☆30Updated 7 years ago
• heartfield / ff-midnight
  A comprehensive dark theme for Firefox
  ☆9Updated 3 years ago
• pratyushtewari / firefox-like-chrome
  This is the userChrome.css that can be used to theme Firfox Quantum 59.0 to look like chrome
  ☆46Updated 3 years ago
• NiklasGollenstede / re-style
  A user style manager for Firefox 57+ which can load local files and apply UI styles
  ☆38Updated 3 years ago
• JustOff / greedy-cache
  Always load scripts, images and styles from browser's cache
  ☆14Updated 4 years ago
• Infocatcher / UserStyles
  Styles for userChrome.css/userContent.css (or Stylish extension) in Firefox/SeaMonkey
  ☆11Updated 7 years ago
• TheAMM / mpv_sort_script
  A Lua script to sort directories and files in mpv, sans external dependencies
  ☆13Updated 6 years ago
• B00ze64 / FF-Menu-Icon-Plus-CSS
  Add icons to Firefox menus using userChrome/userContent.css
  ☆19Updated 5 months ago