Chain

What it does

Chain helps solo professionals charge clients, send transfers, and track cash flow from WhatsApp, with automated reminders, payment links, and a connected web dashboard.

• 
  TimelinesAI for WhatsApp2020 · ▲121

  Easily organize & share your business messages from WhatsApp

• 
  ZummaMay 2026 · zummafinancial.com · ▲67

  WhatsApp expense invoicing for company teams

• 
  Whatsapp Web CRM2023 · ▲106

  Organize your WhatsApp chats with labels, tags & notes

• 
  Payback: Money & ExpensesJun 2026 · apps.apple.com · ▲8

  Track who owes what — without a login or a bank connection

• 
  HoryonJul 2026 · horyon.io · ▲11

  Every trip in one place

• 
  TaskDropMay 2026 · ▲5

  Tradespeople don't need subscriptions. They need paying.

• TL
  The load-bearing vocabulary of Claude▲703

  Life & fun · 10d ago · louisabraham.github.io

• 
  Articos▲385

  Launch with confidence, not gut instinct

  Life & fun · 12d ago · articos.com

• 
  Nex▲351

  Claude Cowork for high-volume GTM workflows

  Life & fun · 4d ago · nex.ai

• 
  iPhone app takes simultaneous images from 2 lenses, fuses into 1 photo▲329

  Photosynthesis fires two of your iPhone

  Life & fun · 29d ago · photosynthesis.camera

• CC
  Creatium Coach▲320

  Your multimedia mentor that takes you from mid to great

  Life & fun · 11d ago · producthunt.creatium.info

• 
  SoloUno▲310

  Take control of hair pulling, nail biting & skin picking

  Life & fun · 28d ago · solouno.io

• 
  Brew ▲905

  Like Claude design for email marketing

  AI · May 2026 · brew.new

• 
  Kilo Code for VS Code▲897

  Parallel agents, diff reviewer, and multi-model comparisons

  Dev tools · May 2026 · kilo.ai

• 
  StoreClaw▲805

  Grow your store profits with agents that know how to sell

  AI · May 2026 · storeclaw.ai

• 
  PollyReach▲796

  Give your agent a real number and voice to make calls.

  AI · May 2026 · pollyreach.ai

• NW
  Needle: We Distilled Gemini Tool Calling into a 26M Model▲776

  Hey HN, Henry here from Cactus. We open-sourced Needle, a 26M parameter function-calling (tool use) model. It runs at 6000 tok/s prefill and 1200 tok/s decode on consumer devices. We were always frustrated by the little effort made towards building agentic models that run on budget phones, so we conducted investigations that led to an observation: agentic experiences are built upon tool calling, and massive models are overkill for it. Tool calling is fundamentally retrieval-and-assembly (match query to tool name, extract argument values, emit JSON), not reasoning. Cross-attention…

  Life & fun · May 2026 · github.com

• FM
  Files.md – Open-source alternative to Obsidian▲730

  Dev tools · May 2026 · github.com