This week's Tools This Week list has six developer tools. DuckDB shipped 2.0, its first long-term support release, and Google and Meta released TorchTPU, a native PyTorch backend for Google's TPU chips. Microsoft put out the TypeScript 7.1 beta. Perplexity and DeepSeek both open-sourced infrastructure they run in production. Anthropic shipped new major versions of its Claude SDKs. This edition covers October 17 to Friday, October 23.

This week's tools at a glance

Tool What it does Price

DuckDB 2.0 In-process SQL database, now with a server mode Pricing not stated

TypeScript 7.1 Beta Faster type checking and a new programmatic API Pricing not stated

TorchTPU Runs PyTorch natively on Google TPUs Open source; licence not named on the page

Perplexity SPACE Sandbox that runs agent code in microVMs Apache 2.0

DeepInfer DeepSeek's production inference framework Apache 2.0

Claude SDKs for API version 2026-10-21 New major SDK versions for the Claude API Apache 2.0 from these versions

Databases and…