Alberto Fernández

chassis. Fast HTML5 templating in Clojure

signoz. SigNoz is an open-source observability platform native to OpenTelemetry with logs, traces and metrics in a single application. An open-source alternative to DataDog, NewRelic, etc. 🔥 🖥. 👉 Open source Application Performance Monitoring (APM) & Observability tool

ponytail. Makes your AI agent think like the laziest senior dev in the room. The best code is the code you never wrote.

blast-radius. Static, high-recall change-impact candidate generator for Clojure(Script): finds downstream code affected by a change, including data-mediated coupling through qualified keywords that call-graph analysis misses.

hyper. Reactive server-rendered web framework for Clojure

claude-skills-collection. A curated collection of official and community-built Claude Skills – extend Anthropic's Claude with powerful, modular capabilities for productivity, creativity, coding, and more.

scry. A clojure test runner for AI agents

console. World's first fully integrated and fully Automated Kubernetes management and orchestration solution

awesome-harness-engineering. Awesome list for AI agent harness engineering: tools, patterns, evals, memory, MCP, permissions, observability, and orchestration.

mlfinlab. MlFinLab helps portfolio managers and traders who want to leverage the power of machine learning by providing reproducible, interpretable, and easy to use tools.

html. Html generation library inspired by squint's html tag

spindel. Cross-platform FRP runtime with a git-like memory model.

ducktape. Connect tech.v3.dataset to DuckDB

floci. Light, fluffy, and always free - The AWS Local Emulator alternative

traceway. The only tool you need to know what is happening and how to fix it.

drip. Drip is a transactional job queue for MariaDB, PostgreSQL, and SQLite

risingwave. Event streaming platform for agentic AI. Continuously ingest, transform, and serve event streams in real time, at scale.

modular. The Modular Platform (includes MAX & Mojo)

distr. The Open Source control plane for self-hosted, BYOC, and on-prem deployments. Everything you need to distribute applications to self-hosted customers out of the box. Supporting Docker Compose, Docker Swarm and Helm based applications.

baredom. BareDOM: Lightweight CLJS UI components built on web standards (Custom Elements, Shadow DOM, ES modules). No framework, just the DOM

overtone. Collaborative Programmable Music

re-frame-query. Declarative data fetching and caching for re-frame inspired by tanstack query and redux toolkit query

tolaria. Desktop app to manage markdown knowledge bases

k3s. Lightweight Kubernetes

FinceptTerminal. FinceptTerminal is a modern finance application offering advanced market analytics, investment research, and economic data tools, designed for interactive exploration and data-driven decision-making in a user-friendly environment.

gust. A Task-Based Workflow Orchestration Engine

ordered-collections. Fast, modern, ropes and ordered collections that do more than sort – Drop-in replacements for sorted-set and sorted-map. With inherent parallelism, work-optimal set algebra, positional access, parallel fold, and specialized collections for problems you didn't know you could solve efficiently

openobserve. Open source observability platform for logs, metrics, traces, frontend monitoring, pipelines and LLM observability. A sophisticated, simple and highly performant alternative to Datadog, Splunk, and Elasticsearch with 140x lower storage costs and single binary deployment.

clj-pdf. PDF generation library for Clojure

dexter. Dexter - Graphical Dependency Explorer

tork. Tork is a lightweight, distributed workflow engine that runs tasks as simple scripts within Docker containers.

ministack. Ministack: Free, open-source local AWS emulator - 55+ services, Terraform compatible, real databases. Free forever. MIT licensed.

checkov. Prevent cloud misconfigurations and find vulnerabilities during build-time in infrastructure as code, container images and open source packages with Checkov by Bridgecrew.

nvd-clojure. National Vulnerability Database dependency checker for Clojure projects

lancedb. Developer-friendly OSS embedded retrieval library for multimodal AI. Search More; Manage Less.

slowql. Next-generation SQL static analyzer written in Rust. 282+ rules. Zero false positives. Security, performance, reliability, cost, compliance, quality. 14 SQL dialects. Offline. CI/CD ready.

concurrency-limits. Java

flux. Clojure wrapper for Netflix concurrency-limits — adaptive concurrency control based on TCP congestion algorithms.

ecbjure. Access ECB financial data from Clojure — FX conversion, EURIBOR, €STR, HICP, and the full SDMX catalogue

mycelium. Mycelium uses Maestro state machines and Malli contracts to define "The Law of the Graph," providing a high-integrity environment where humans architect and AI agents implement.

superficie. Surface syntax for Clojure to help exposition/onboarding.

any. Objects for smart comparison in tests.

stratum. Versioned, fast and scalable columnar database.

patcho. Patching micro lib for Clojure

duckdb-postgres. C++

hledger. Robust, fast, intuitive plain text accounting tool with CLI, TUI and web interfaces.

pi-hole. A black hole for Internet advertisements

OpenBB. Open Data Platform for analysts, quants and AI agents.

komodo. 🦎 a tool to build and deploy software on many servers 🦎

proximum. Versioned, fast and scalable nearest neighbor search.

opencode. The open source coding agent.

fusion-http. Ring adapter for FusionAuth's HTTP server

nucleus. An AI prompting framework

quiescent. A Clojure library for composable async tasks with automatic parallelization, structured concurrency, and parent-child and chain cancellation

virgil. Recompile Java code without restarting the REPL

ghostty. 👻 Ghostty is a fast, feature-rich, and cross-platform terminal emulator that uses platform-native UI and GPU acceleration.

Mole. 🐹 Clean, uninstall, analyze, optimize, and monitor your Mac from the terminal.

distributed-scope. Run one lexical scope across distributed peers.

malt. Malli-Typed interfaces for Clojure

db. Fluree database library

clj-artnet. A fully spec-compliant, idiomatic Clojure implementation of Art-Net 4, providing correct DMX512 over IP with deterministic behavior, predictable timing, and clean, composable APIs for real-time lighting control.

mise. dev tools, env vars, task runner

coroot. Coroot is an open-source observability and APM tool with AI-powered Root Cause Analysis. It combines metrics, logs, traces, continuous profiling, and SLO-based alerting with predefined dashboards and inspections.

spandex. Elasticsearch client for Clojure (built on new ES 9.x java client)

freyja. Algebraic effects for Elixir

defun. A macro to define clojure functions with parameter pattern matching just like erlang or elixir.

ui. A set of beautifully-designed, accessible components and a code distribution platform. Works with your favorite frameworks. Open Source. Open Code.

immer. Postmodern immutable and persistent data structures for C++ — value semantics at scale

dbval. A Datomic-like database library on top of Sqlite

edn.c. A fast, zero-copy EDN (Extensible Data Notation) reader written in C11 with SIMD acceleration.

clay. A REPL-friendly Clojure tool for notebooks and datavis

protobuf. Protocol Buffers - Google's data interchange format

muutos. Muutos is a zero-dependency Clojure library for reacting to changes in a PostgreSQL database.

cli. Opinionated command line argument handling, with excellent support for subcommands

avout. Avout: Distributed State in Clojure

bioscoop. FFmpeg DSL for creative coding

windowed-dataset. a moving window construct for streaming data using tech.ml.dataset

daisyui. 🌼 🌼 🌼 🌼 🌼  The most popular, free and open-source Tailwind CSS component library

cronut. A Clojure Companion to Quartz Scheduler

postal. Clojure email support

every-programmer-should-know. A collection of (mostly) technical things every software developer should know about

conformity. A Clojure/Datomic library for idempotently transacting norms into your database – be they schema, data, or otherwise

ghostfolio. Open Source Wealth Management Software. Angular + NestJS + Prisma + Nx + TypeScript 🤍

Export-To-Ghostfolio. Convert transaction history export from your favorite broker to a format that can be imported in Ghostfolio.

slingshot. Enhanced try and throw for Clojure leveraging Clojure's capabilities

pico. Minimal CSS Framework for semantic HTML

shadow-cljs-tailwindcss. shadow-cljs + tailwindcss

echarts-for-react. ⛳️ Apache ECharts components for React wrapper. 一个简单的 Apache echarts 的 React 封装。

documenso. The Open Source DocuSign Alternative.

duratom. A durable atom type for Clojure

atlas. Declarative schema migrations with schema-as-code workflows

pytorch. Tensors and Dynamic neural networks in Python with strong GPU acceleration

aptabase. ✨ Open Source, Privacy-First and Simple Analytics for Mobile, Desktop and Web Apps

mangle. Go

t-digest. A new data structure for accurate on-line accumulation of rank-based statistics such as quantiles and trimmed means

logseq-live-math. Type LaTeX in live mode!

kmono. The missing workspace tool for clojure tools.deps projects

agrona. High Performance data structures and utility methods for Java

podman. Podman: A tool for managing OCI containers and pods.

kiro. Complete System Prompts for Kiro IDE by Amazon