Arma Preset Creator by ColinM

create HTML presets from steam collections (with a second, optional, mods collection)

https://armapresetcreator.co.uk/

PAA Converter in your Browser by Gruppe Adler

converts jpg, png to PAA and vise versa

https://paa.gruppe-adler.de/

Steam URL Opener by veteran29

Gives you an icon in your browser to click to open steam (workshop) pages directly in steam.

https://github.com/veteran29/steam-url-open-extension#download

Sever Log Analyzer by jannes-io

Gives you nice charts based on the readout of #monitords and other goodies.

https://arma-log-analyzer.jannes.io/

Map name ending

Execute worldName in debug console while being on said map in the editor.

Arma3Map by jetelain

Renders of arma maps viewable in your browser.

https://jetelain.github.io/Arma3Map/

Arma3TacMap by jetelain

Similar name, same developer but on this map you can place down markers, AAP-6 Symbols and share the map by link for further edits.

With the Metis Marker mod you can even import the markers directly into Arma!

https://maps-beta.plan-ops.fr/

cTab on Phone by jetelain

https://ctab.plan-ops.fr/

Mod Catalog by #Sided Ace#1749

A nice overview of assorted mods, including maps.

https://docs.google.com/spreadsheets/d/11381hg9zFb-ctaA0h5_9X449xje0xqN8-npHZfh4bjM/edit#gid=151522227

Mods that break CBA by ...

https://docs.google.com/spreadsheets/d/1ArNYYJgr0AMjZIf5YqIN3HqUVAY4uXwZ144zSNWVC6o/edit#gid=0

SteamCLI by Bytex

A steam command line interface thats lets you download big mods without timing out.

https://github.com/BytexDigital/SteamCLI

FASTER by Keelah

The only Arma 3 Server Manager you'll ever need on windows.

https://github.com/Foxlider/FASTER

7'erra's Editing Extensions by 7'erra

Includes an attachTo coordinate finder and many other goodies.

https://steamcommunity.com/sharedfiles/filedetails/?id=1387934106

Arma 3 Maps on globe by u/ItsWhiplash

Gives you an overview of where arma maps should be located. Picture

https://www.reddit.com/r/arma/comments/ml7163/arma_terrains_world_map/#

Advanced Developer Tools by Leopard20

Debug console with Syntax highlighting and linter and many other goodies.

https://steamcommunity.com/sharedfiles/filedetails/?id=2369477168

Easy way to check mod keys

Tick the box Check Signatures located under "Parameters" in your Arma 3 Launcher and you'll know if any of your loaded mods isn't signed!

SQF Syntax checking website by Dedmen

Quickly check your changes online.

https://sqfvm.arma3.io/vm/

Mod whitelisting with ACE guide by Mildly_Interested

No more reliance on mods being signed correctly!

https://docs.google.com/document/d/1iauvUHmtk_hmGghdUmCK2pQKh6jDvHQ-56oWS-XcxRo/edit?usp=sharing https://share.streamlit.io/mildlyinterested/compare_lists/main/compare.py

You can press TAB to cycle through these in zeus

Export Arma 3 map as image(svg)

https://community.bistudio.com/wiki/diag_exportTerrainSVG

Arma 3 Maps in your browser by Anrop

An even bigger collection of Arma maps viewable in your browser.

https://aar.anrop.se/worlds

Arma 3 mission recording suite

Record your mission and play it back from a top down perspective in your browser. Example

https://github.com/OCAP2/OCAP

Post Process Effect Editor by Sams

A mission for editing, viewing and exporting post process effects, and exporting them your mission or mod.

https://steamcommunity.com/sharedfiles/filedetails/?id=350606620

SQF Editor

With syntax highlighting, some error checking and other goodies.

https://code.visualstudio.com/

with the following extenions:

https://marketplace.visualstudio.com/items?itemName=Armitxes.sqf

https://marketplace.visualstudio.com/items?itemName=skacekachna.sqflint

https://marketplace.visualstudio.com/items?itemName=bux578.vscode-openlastrpt

https://marketplace.visualstudio.com/items?itemName=HkonRRydland.a3cfgfunctions