This is probably what you are looking for:
Free Republic Posting Form Enhancer
https://freerepublic.com/focus/f-chat/4050544/posts?page=1
Free Republic Posting Form Enhancer
Can vouch for that. I have used it for years and can't live without it now.
Yeah, that’s it. I had to dig through that thread as the link in the article no longer works.
http://cynwoody.appspot.com/xpi/frpfe.xpi
Been a user of that for years, thank God for Cynwoody.
Also helpful: Multiple Row Tabs (see second post)
Word Count by Trishul Counts words in selected text. Select any text, right click and select word count from menu. Know number of words and characters in your selected text
Bible Previewer by Cody Turns every bible verse into a link you can hover to see the contents of the verse.
Clippings by AE Creations Save frequently-entered text for pasting later.
Undo Close Tab Button by Button GuyA left click on the icon in the extension toolbar provides a list of recently closed tabs that you can choose to reopen/restore.
Search Site WE by DW-dev Search within the current subdomain or within the entire domain, using the toolbar button or context menu.
Open in the Archive by nitrohorse Open-source web extension for quickly opening links in archive sites such as the Wayback Machine or Archive.is.
Copy Tab URL by MarsCat Supplies a needed function that allows users to copy the URL of a tab from the r. click context menu. should be standard. Wish there was one for Chromium-based browsers. Thanks.
Change Case by Janghou Let you UPPERCASE, lowercase or tOGGLE any selection of text in an input or textarea field by choosing a Change Case item in your context menu.
bbCode for Web Extensions (bbCodeWebEx) This is an extension for Firefox 57 and Later, which allows you to apply commonly used tags, and create custom tags for bbCode, vBulletin, Html, XHtml, and Markdown.