With ActsAsTaggableOn, you can tag a single model on several contexts, such as skills, interests, and awards. It also provides other advanced functionality. Do not remove old tags after creating a new tag

crt.sh API wrapper for Ruby

Handy crumbs variable for rails views.

Encryption providers for crypt_keeper

add ransacker for crypted attributes

Cryptocurrency payment processor

Country and state selects for Rails, inspired by carmen-rails.

A gem to import CSV files' content into a PostgreSQL or MySQL database. It is respectively based on PostgreSQL COPY and MySQL LOAD DATA INFILE which are designed to be as fast as possible.

If you do not want to setup foreign keys with cascade and ActiveRecord's dependent is too slow for your big database, this is what you are looking for.

Export CSV data to database

Recursively traverse trees using a single SQL query

Organize your features in a tree directory and don't waste your CPU time running the same steps over and over.

Versioning for your ActiveRecord models

Shoryuken middleware for LunaPark based application.

Directed Acyclic Graph Management Engine for ActiveRecord. Edges as source of truth, transitive closure maintained by PL/pgSQL triggers. Cycle rejection, ancestors/descendants, topological ordering. PostgreSQL 18+ only.

Directed acyclic graph support library for applications using ActiveRecord on top of PostgreSQL.

This is a crawler framework.

Rails engine to add polymorphic file attachments leveraging dragonfly and counting references to avoid duplicates..

URL Shortener

database association resolver toolkit for postgres, activemodel, sequel, etc.