Best new tools this week (29 September 2026)

Tool Index added 25 new listings this week, and the mix leaned practical. Builders got tools for tracking LLM costs, debugging native Windows crashes, and keeping factory systems under their own control. There were useful everyday options too, from local Mac dictation to transparent money calculators.

The strongest entries put inspectability and ownership ahead of novelty. Across the featured set, open source code, on-device processing, customer-owned data, visible formulas, and cited research all stood out. That makes this a week for choosing tools that explain their work and respect clear boundaries.

Tool of the week

Worth a look

Yap, Private, open-source voice dictation that runs entirely on a Mac. A rebindable shortcut pastes speech into the active field, while searchable transcript history stays on the device.

ForensicDbg, Investigate native Windows crashes visually or through AI tools using MCP. It validates call stacks, tracks register flow, and can reconstruct read only regions missing from minidumps.

CrunchMyPay, Free browser-based calculators for paychecks, debt, loans, and everyday money. Each of its 50 calculators shows the formula, a worked example, assumptions, and the last review date.

Carbon, Open-source manufacturing ERP for self-hosted and air-gapped environments. It keeps production, quality, inventory, and accounting records together in a customer owned Postgres database.

Every new listing this week

25 new listings were approved since 22 September. The full set, newest first:

• Obidos: Securely store and share private or confidential information using fine-grained access controls
• Yap: Private, open-source voice dictation that runs entirely on a Mac
• Ceptile: Search the live web with cited AI answers, quick links, notes, and translation
• ForensicDbg: Investigate native Windows crashes visually or through AI tools using MCP
• Recipe Card Creator: Design personalized, double-sided recipe cards and print them as PDFs
• SupaRelay: Call landlines and mobile numbers worldwide from a browser
• CrunchMyPay: Free browser-based calculators for paychecks, debt, loans, and everyday money
• PromptSpend: Compare LLM API costs across models using a real or estimated workload
• Carbon: Open-source manufacturing ERP for self-hosted and air-gapped environments
• TV Family Calendar: Put shared Google and iCloud calendars on an Apple TV
• PSL Score: Measure facial proportions and explore a private photo-based PSL report
• Nomoreda: Design electronics in the browser with collaboration and MCP agent control
• QuickLook Pro: Preview code, Markdown, databases, archives, and more from macOS Finder
• LazyPromise: A lazy, cancelable async primitive for TypeScript with typed errors and dependency injection
• PlusWeb: Build C++17 HTTP services with Express-style routing and middleware
• SubRead: Align an audiobook with its ebook and create book-accurate subtitles in the browser
• sbm Sync: Keep one plain-text bookmark collection in sync across terminal, browser, and Android
• junkDrawer.ai Search: Search and narrow eBay listings with natural language instead of rigid filters
• Lightdrift: License-aware image search for AI agents through an API or MCP
• Cookbook: Give people and coding agents one shared workspace, task board, and team memory
• WavexAI: Programming-focused AI chat and an OpenAI-compatible API with fixed monthly pricing
• Botzilla: Build and run Windows browser automations with a visual workflow studio
• slivingdoc: Give agents and people a shared, conflict-aware notebook backed by S3
• Dragonfly: Test REST APIs in VS Code with requests built from Express and Next.js routes
• Jade Email: Give every sender a separate address and control what happens to their mail

Fresh reading

• Obidos is a self-hosted repository for controlled sharing of sensitive data
• Best new tools this week (22 September 2026)

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