Matthew

@b2btools2070

Matthew Qin

@b2btools2070

SparkIn CEO

0 Followers 0 Following

About

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Launches

SparkIn

LinkedIn Automation Tool & Email Finder

Freemium

Premium Products

The Newsletter Awards

Celebrating the best independent voices in email.

Calorie Calculator

Calculate calories, BMR, TDEE, and weight loss goals

Submit SaaS

We submit your SaaS to 140+ directories effortlessly

Jobs in Construction

Need construction workers fast? Post jobs and hire qualified workers today.

Nuvm Cloud

9 scanners to find cloud security issues in 5 minutes.

Mail2Follow

AI Follow-Ups & Smart Reminders for Gmail

Vega trader

Tools for option traders

MachinaOS

Intent-native runtime for governed AI agent workflows

AppIndex

The right AI tools for the right tasks

Streamnode

Build HTTP endpoints visually without writing code

Autorank

Rank on Google & AI while you sleep

Fire Launch

The indie maker directory for the days after launches.

Manifest

Your home inventory, built from a photo.

StarterKitPro

StarterKitPro is your 90% done SaaS starter kit - all in Next.js

Whisperstream

Local AI dictation for Windows. 100% on-device. $29 one-time

Clawhost

Deploy unlimited Openclaw AI agents for lifetime in under 60 seconds

HowHeight

Height Comparison Tool

CircadiaOS

Learns your sleep. Tunes your room. Automatically.

GiftShopper.ai

AI gift finder that remembers your people

Timers & Alarms

Timer and alarm app for iPhone - Countdown, Interval, Repeat

Buy

Plug Your Build

Every kind of indie project/build, one home.

Backchannels

The buyer database built for software GTM teams

Calm Sea

Plan your financial future with visual, stress-free tools

Buy