AI, open source, and development.
Free tools worth more than you pay, AI development strategies, and case studies straight from our production line.
Fintech
·7 minTradingAgents: the free multi-agent AI quantitative trading framework
Quantitative trading platforms cost up to $5,000/month. TradingAgents delivers the same power with multiple AI agents collaborating — completely free and open source.
Jun 9, 2026
AI Tools
·6 minLibreChat: one interface for ChatGPT, Claude, and Gemini — free, no subscription
Paying $20/month for ChatGPT and another $20 for Claude makes sense until you find LibreChat. Self-hosted, open source, your own API keys.
Jun 10, 2026
Productivity
·6 minHyperFrames: open-source AI video generation engine — free HeyGen alternative
HeyGen charges $29/month for the basics. HyperFrames delivers an equivalent AI video generation engine, open source, no subscription.
Jun 11, 2026
Fintech
·6 minFincept Terminal: the free Bloomberg terminal for data analysts
Bloomberg Terminal costs $24,000/year. Fincept Terminal delivers financial analysis, charts, and AI in a command-line interface — completely free.
Jun 12, 2026
Productivity
·5 minMoneyPrinterTurbo: generate AI short videos with one click
Creating a short video used to take hours. MoneyPrinterTurbo takes a topic and delivers script, narration, images, and captions automatically — for free.
Jun 13, 2026
Productivity
·6 minAgentic Inbox: open-source AI email assistant running on Cloudflare Workers
Superhuman charges $30/month for email productivity. Agentic Inbox delivers automatic triage and AI-generated replies running on Cloudflare Workers — no subscription.
Jun 14, 2026
AI Tools
·5 minVoxCPM: open-source AI voice cloning — free ElevenLabs alternative
ElevenLabs costs $11/month for basics and $99/month for professional. VoxCPM delivers high-quality voice cloning and TTS with no subscription.
Jun 15, 2026
AI Tools
·6 minFlowsint: open-source OSINT intelligence tool for data analysis
Maltego Commercial costs $999/year. Flowsint delivers OSINT analysis, entity correlation, and graph visualization — completely free and self-hosted.
Jun 16, 2026
AI Tools
·5 minClaude Code Skills: free agent library for AI-powered software development
Claude Code is already one of the most powerful AI dev tools. The Skills library multiplies that power with ready-made commands for review, deploy, security, and much more.
Jun 17, 2026
Open Source
·7 minNango: open-source API integration platform — the technical alternative to Zapier
Zapier charges $20 to $799/month. For technical teams, Nango delivers 300+ ready integrations, automatic OAuth, and data sync — at zero licensing cost.
Jun 18, 2026
AI in Business
·11 minAI in the enterprise: what works and what breaks, sector by sector (with data and sources)
88% of companies use AI, yet only about 6% capture real value. A sector-by-sector read — finance, healthcare, retail, industry and legal — with the proven wins and the documented failures, every number sourced.
Jul 8, 2026
AI in Business
·10 minAI in financial services: real benchmarks from banks and fintechs (with sources)
JPMorgan, Klarna, HSBC, Mastercard, Nubank: where AI already generates billions in finance and where it already triggered fines and reversals. Sourced benchmarks, the Brazil angle (Pix), and the regulation ahead.
Jul 8, 2026
AI in Business
·10 minAI in healthcare: benchmarks from diagnostics, hospitals and pharma (with sources)
From cancer screening that catches 29% more cases to a model that missed two-thirds of sepsis cases: where AI saves time and lives in healthcare, and where it fails. Sourced benchmarks, the clinical-validation gap, and the Brazil angle.
Jul 8, 2026
AI in Business
·10 minAI in retail and customer service: e-commerce and CX benchmarks (with sources)
Alibaba saved $42M with AI; Air Canada was found liable for its own chatbot. Where AI sells more and serves better in retail, and where it became a lawsuit and a viral joke. Sourced, plus the Magalu case.
Jul 8, 2026
AI in Business
·10 minAI in manufacturing: factory and supply-chain benchmarks (with sources)
Lighthouse factories gained 40% productivity with AI; Tesla admitted excessive automation was a mistake. Where industrial AI delivers and why two-thirds of projects stall on legacy. Sourced, plus the Gerdau case.
Jul 8, 2026
AI in Business
·10 minAI in legal and software development: productivity and risk benchmarks (with sources)
Copilot made devs 55% faster; another study made experienced devs 19% slower. Legal AI hallucinates up to a third of queries and has already drawn fines in Brazil. Where AI speeds up knowledge work and where it bills you back. Sourced.
Jul 8, 2026
Glossary
·4 minWhat is an MVP? Definition, examples and why it matters
An MVP is the simplest version of a product that already solves the core problem and can ship to learn from real usage. Understand the concept, famous examples and the most common mistake.
Jun 10, 2026
Glossary
·4 minWhat is an AI agent? Definition and how it works
An AI agent is a system that uses a language model to decide and take actions toward a goal, not just answer questions. Understand how it differs from a plain chatbot.
Jun 13, 2026
Glossary
·4 minWhat is RAG (Retrieval-Augmented Generation)?
RAG is the technique of giving an AI model access to an external knowledge base at answer time, reducing hallucination and enabling answers grounded in your own data.
Jun 17, 2026
Glossary
·4 minWhat is an LLM (large language model)?
An LLM is an AI model trained on huge volumes of text to predict the next word, which makes it able to write, summarize, translate and code. Understand the basics and the limits.
Jun 20, 2026
Glossary
·4 minWhat is technical debt? Definition and how to reduce it
Technical debt is the future cost of short-term choices in code: shortcuts that speed you up today and charge interest tomorrow in bugs and slowdowns. Understand the concept and how to control it.
Jun 24, 2026
Glossary
·4 minWhat is legacy code (a legacy system)?
Legacy code is the old software that still runs the business but became hard and risky to change. Understand why it exists, why ignoring it is dangerous, and what to do.
Jun 27, 2026
Glossary
·4 minWhat is a software factory?
A software factory is a company that builds systems on demand with process, standards and scale, like a production line. Understand the model and how AI is changing it.
Jul 1, 2026
Glossary
·4 minWhat is fine-tuning in AI? When it is worth it
Fine-tuning is adjusting an already-trained AI model with your own examples to specialize it in a task or style. Understand how it differs from RAG and when each makes sense.
Jul 4, 2026
AI Tools
·5 minAider: AI pair programming right in your terminal (free and open source)
AI coding tools like Copilot and Cursor charge monthly. Aider is an AI pair programmer that runs in your terminal, edits your git repo and works with any model.
May 6, 2026
AI Tools
·5 minCline: an autonomous coding agent for VS Code (open source)
Cline is an AI agent that plans, edits files and runs commands inside VS Code, with approval at each step. An open alternative to Copilot, Cursor and Windsurf.
May 13, 2026
AI Tools
·5 minOpenHands: an autonomous AI software engineer (open source)
OpenHands (formerly OpenDevin) is an open-source platform of agents that resolve issues and open pull requests end to end. An open alternative to Devin.
May 20, 2026
AI Tools
·5 minGoose: a local, extensible AI agent for developers
Built by Block (Square/Cash App), Goose is an AI agent that runs on your machine, installs dependencies, edits and tests code with any LLM. Open source and extensible.
May 27, 2026
AI Tools
·5 minCrewAI: orchestrating multiple AI agents in Python
CrewAI is a Python framework to coordinate multiple AI agents that collaborate, each with a role. A foundation for automations and multi-agent systems in production.
Jun 2, 2026
AI Tools
·5 minLangGraph: durable, stateful AI agents as graphs
LangGraph is a framework for building durable, stateful AI agents modeled as graphs, with native human-in-the-loop. Used by Klarna, Uber and LinkedIn.
Jun 5, 2026
AI Tools
·5 minDSPy: programming AI models instead of writing prompts
DSPy, from Stanford, replaces manual prompt engineering with code: you declare the logic and optimizers automatically tune the prompts to maximize a metric.
Jun 12, 2026
AI Tools
·5 minPromptfoo: test, evaluate and red-team LLM apps
Promptfoo is an open-source tool to test and evaluate LLM applications, compare models and run security red-teaming, with simple configs and CI/CD integration.
Jun 16, 2026
AI Tools
·5 minLangfuse: observability and evaluation for LLM applications
Langfuse is an open-source platform to observe, evaluate and debug LLM apps: tracing, cost, latency, prompt management and datasets. An alternative to LangSmith.
Jun 19, 2026
AI Tools
·5 minMastra: a TypeScript framework for AI agents
Mastra is a modern TypeScript framework to build AI agents, workflows and RAG pipelines, with memory and observability in one package. Ideal for JS/TS teams.
Jun 23, 2026
AI Tools
·5 minRAGFlow: open-source RAG engine with deep document understanding
RAGFlow is an open-source RAG engine specialized in understanding complex documents (PDFs, tables, scans) before retrieval, with cited answers. An alternative to paid RAG services.
May 8, 2026
AI Tools
·4 minLanceDB: an embedded vector database for AI (open source)
LanceDB is a vector database that runs embedded in your app, no separate server, like a SQLite for vectors. An alternative to Pinecone for vector and multimodal search.
May 15, 2026
AI Tools
·4 minUnsloth: faster, cheaper LLM fine-tuning (open source)
Unsloth makes fine-tuning open models up to 2x faster using far less memory, enabling training on consumer GPUs. An alternative to paid fine-tuning services.
May 22, 2026
AI Tools
·4 minQdrant: a high-performance vector database (open source)
Qdrant is a Rust vector search engine with advanced payload filtering, built for semantic search at scale. An open-source alternative to Pinecone and Weaviate.
May 29, 2026
AI Tools
·4 minvLLM: serving AI models locally with high throughput
vLLM is an open-source inference engine that serves LLMs with high throughput and efficient memory use, with an OpenAI-compatible API. An alternative to paid APIs for self-hosting.
Jun 1, 2026
AI Tools
·5 minDify: a low-code platform to build AI apps and agents
Dify is an open-source platform to build AI applications and agents with a visual workflow builder and built-in RAG. An alternative to OpenAI's GPTs and Copilot Studio.
Jun 6, 2026
AI Tools
·4 minArize Phoenix: open-source AI observability and evaluation
Phoenix is an open-source AI observability and evaluation platform: tracing, LLM-as-judge evals and experiments, self-hostable and vendor-neutral.
Jun 11, 2026
AI Tools
·4 minDocling: turning documents into AI-ready data
Docling converts PDFs, Office files and images into structured, AI-ready formats, with local processing. An alternative to Unstructured, Textract and Document Intelligence.
Jun 15, 2026
AI Tools
·4 minOllama: run AI models locally with one command
Ollama lets you run open language models on your machine with a single command and a simple API. An alternative to paid APIs for local, offline and private use.
Jun 18, 2026