Preventivo Pro

What it does

Preventivo Pro is a free micro-SaaS that allows freelancers and small businesses to create, send, and track professional digital quotes in just 60 seconds. The app tracks email opens and reading times in real time, enabling clients to legally sign and approve documents with a simple tap directly from their smartphones.

• 
  ProQuote — Quotes with E-Signature Jul 2026 · proquotedq.com · ▲7

  Create , digitally sign , and send quotations PDF,s

• 
  PreventivAIApr 2026 · preventivai.com

  Professional quotes in 90s via WhatsApp. Just talk.

• 
  Professional EstimatorJan 2026 · ▲7

  Create, manage, and send professional quotes in minutes

• 
  PropelioJun 2026 · propelio.app · ▲5

  Beautiful proposals, live links, e-signatures. In minutes.

• 
  Quote SignMay 2026 · quotesign.vercel.app · ▲2

  Send quotes, get them signed, invoice — $19/mo flat

• 
  JustoferJul 2026 · justofer.com · ▲4

  Just offers! Create professional price quotes with ease.

• 
  Dograh▲592

  The open source VAPI alternative

  Dev tools · 26d ago · dograh.com

• 
  Meridian▲530

  Don't let your work go unnoticed. Get promoted!

  Dev tools · 21d ago · meridiona.com

• 
  x1▲516

  Lovable for iPhone apps go from idea to App Store

  Dev tools · 12d ago · x1.new

• 
  Computable GPU Index (CGI)▲423

  The first open-source price index for GPU compute

  Dev tools · 10d ago · getcomputable.com

• 
  Open-Source eInk Bike Computer▲406

  OpenTrailPaper is open-source bike computer firmware for the LilyGO T5S3 4.7" E-Paper PRO. It supports offline maps, GPX routes, FIT recording and Bluetooth sensors.

  Dev tools · 2d ago · opentrailpaper.com

• 
  The GTM Co-Founder▲402

  Open-source GTM skills for technical founders

  Dev tools · 30d ago · gtmcofounder.com

• 
  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