There are 3 repositories under openmage-module topic.
Google Tag Manager (GTM) with Data Layer for Magento 1 / OpenMage LTS
Curated list of awesome OpenMage extensions, resources and other highlights
Free extension from magento connect.
Sophisticated Fullpagecache (FPC) for OpenMage (and Magento 1)
Translations for OpenMage from Magento 1/2 and old languages packs.
Enable symlinks after SUPEE-9767 V2 install
OpenMage compatible fork of Gene_Braintree module
Updated version of Varnish connector for OpenMage.
A module to automatize the updates using GIT for OpenMage.
QENTA Checkout Page extension for Magento
This extension adds availability to disable search by SKU, even when SKU is globally set to searchable.
Magento SocialShare - Open Graph Tags
This Magento 1 extension improves the default session cookies by setting the SameSite attribute.
A module to add new pick up shipping methods for OpenMage.
A module to show history and configuration of cron jobs for OpenMage.
A module to show history of emails sent and to sync customers with Emarsys and Mautic for OpenMage.
A module to minify and merge CSS/JS files for OpenMage.
QMORE Checkout Seamless extension for Magento
FAQ Extension for Magento 1
CSS/JS Versioning module for OpenMage/Magento1. Adds ?v= to all your CSS/JS and the value of v is the last git commit hash.
A module to show modules, cron jobs, observers and rewrites lists for OpenMage.
A module to manage products URLs by products attributes for OpenMage.
A tool to extract/update translations.
Super fast autocomplete for Magento 1 / OpenMage
Render Paypal Pay Later Messages in product page and cart page for Magento 1 / OpenMage
Workaround for Magento 1 / OpenMage not counting used coupons
Magento 1 / OpenMage - Assign Guest Orders to Customers (Maintained Fork)
Magento1. Extension add breadcrumbs to pages in Magento that by default do not have breadcrumbs.
A module to add new payment methods for OpenMage.
JavaScript pop-ups and slideshow for OpenMage.
Updated version of Sentry connector for OpenMage.
This extension telephone from required checkout attributes.
Magento 1 Extension to organize your CMS pages in a tree structure.
Modern minification for JS/CSS in your OpenMage project