Reads a text file (if supplied as the first argument) and creates a pdf file with the same name but with .pdf as extension in the current directory via the program pdflatex (the only requirement besides ruby itself). If '-h' is the first argument, then the program displays the helptext and exits....

A thin, dependency-free HTTP client for a running llmshim proxy. Send OpenAI-style chat requests and let llmshim translate to OpenAI, Anthropic, Google Gemini, xAI, OpenRouter, vLLM, or SGLang. Supports non-streaming and SSE streaming, model listing, and health checks. Standard library only.

Sink was inspired by the DDoS of github and was created to help keep its users secure in knowing that their repo is safer as it's shared among several hosting services rather than one

The weather in Moscow was terrible in that october. I was bored. Caught myself opening http://p.ya.ru weather page every couple of hours. And each time had to switch to the full-scale browser. But stop! I'm working in the termimal most of the time! Why should you use a browser fo...

Turns a SQL WHERE-like expression string into a SQL-injection-safe ActiveRecord where condition. Intended for admin screens that need flexible filtering over a whitelisted set of columns.

Insert and safely resolve variables in Lexxy rich text. The gem gives you an editor button (and a `{{` prompt) for inserting variables, each stored as an Action Text attachment chip rather than literal markup. `with_variables` resolves the chips and returns plain Action Text content. Register new...

Devise sets a "remember_token" cookie for Remember Me logins, but not for standard logins. This extension sets a separate cookie on login, which makes sharing login state between same-domain web applications easier.

Ravanello is the cli for analyze keys in redis and size of it's values. Example of usage: ```bash gem install ravanello ravanello --version REDIS_URL="redis://localhost/db" ravanello analyze --rules rules.yml ``` The rules files specifies the structure of ...

Stockshark drives any UCI-speaking chess engine (Stockfish, or anything else that implements the protocol) over stdin/stdout/stderr pipes: start it, hand it a FEN, get back a structured evaluation (centipawns or mate score, best move, principal variation, depth reached). No chess rules engine, no...

SimpleGData provides a simple way to run queries against the GData API's by providing just an oauth token and secret (assuming proper permissions are set) retrieved from a service such as omniauth or the oauth gem.

Sirena is a pure Ruby implementation of Mermaid diagram rendering. It parses Mermaid syntax and generates SVG output using Parslet grammars and ELK layout. Supports 24 diagram types: flowcharts, sequence, class, state, ER, C4, block, architecture, Gantt, timeline, Git graph, mindmap, Kanban, user...

A simple solution to provide on-demand service access (e.g. port 80 on webserver), where a more robust and secure VPN solution is not available. Essentially, it is a more user-friendly form of "port knocking". The original proof-of-concept implementation was run for almost three years by ...

Hot Potato is an open source real-time processing framework written in Ruby. Originally designed to process the Twitter firehose at 3,000+ tweets per second, it has been extended to support any type of streaming data as input or output to the framework. The framework excels with applications such...

If your internet connection fails during a deploy, the deploy fails. And that means your site could stop functioning. Ouch. Deploy reliably and quickly from anywhere with slow or unreliable internet connections. It works by invoking the capistrano command from a remote server using `screen`. To ...

Compass is a Sass-based Stylesheet Framework that streamlines the creation and maintenance of CSS. SCSS sourcemaps support fork.

Configurable parser for single-line argument strings, returning a structured set of sub-strings representing positional arguments, named arguments and flags.

This gem provides behavior similar to sidekiq's inline mode but respects starting dates for scheduled jobs. This is especially useful for integration testing when asserting that certain things happen within a certain time frame.

Rain is a single-command deployment engine for Rails applications. It defines a set of conventions for deploying the same app version to multiple servers in multiple environments. Leveraging Git tags, it automatically increments versions according to the Semantic Versioning standard and dep...

Spreen — the falcon's stoop, then the preen. Walks the current directory for media files with a given extension and rewrites their filenames so the space after the track number becomes a configurable delimiter and `N-` disc prefixes become `DiscN/` subdirectories, dry run by default, via the trac...

An easy to use Key/Value store for any Ruby on Rails project. Like Memcache, only persistent. Stores config values & application wide state in the database in order to survive server restarts. Designed to allow you to add persistent value storage to any Rails project in about 5 minutes. ...