The Daily Index — Tuesday, April 21, 2026 · TLDR Index

Repositories, courses and useful tools

Resources & Tools

TLDR · GitHub repository

GGSQL

ggsql allows developers to write queries that combine SQL data retrieval with visualization specifications in a single, composable syntax.

github.com

TLDR Dev · GitHub repository

THUNDERBOLT

Thunderbolt is an open-source, cross-platform AI client that provides users with control over their AI models and data. It is available across all major desktop and mobile platforms and is compatible with various AI models, including frontier, local, and on-premise options.

github.com

TLDR Dev · GitHub repository

CLAUDE CONTEXT

Claude Context is an MCP plugin that provides AI coding agents, like Claude Code, with deep semantic understanding of entire codebases. It indexes millions of lines of code using a vector database, providing cost-effective context by only feeding relevant code to the AI. The system uses hybrid code search, incremental indexing, and AST-based chunking, resulting in a large reduction in token usage and improved retrieval quality.

github.com

TLDR Dev · GitHub repository

PORTLESS

Portless streamlines local development by replacing numeric ports with stable, named HTTPS URLs like `https://myapp.localhost`.

links.tldrnewsletter.com

TLDR Dev · GitHub repository

MANIFEST

Manifest is an open-source, self-hostable smart model router for personal AI agents that automatically directs requests to the cheapest suitable LLM from various providers.

links.tldrnewsletter.com

TLDR Design · Tool

FREE ONLINE VECTOR DESIGN TOOL

Graphite is a free, open-source vector graphics editor and animation engine that uses a fully non-destructive, procedural workflow combining layer-based compositing with node-based generative design.

graphite.art

TLDR Design · Tool

AI MARKETING AGENT

AI Canvas is a visual platform where marketing teams can plan, create, and collaborate on content campaigns powered by AI.

storychief.io