Skip to content
InboxCheck — Startup Profile
Startup

InboxCheck

Verify emails before you hit send

Productivity & Collaboration

Astracia Signal Score

Compare with similar →

Not enough public signals for a score yet. Missing signals are not a sign of weakness.

Connections

No public connections on record yet.

About the startup

InboxCheck provides real-time email verification specifically designed for SDR workflows. This tool helps you verify email addresses directly where you work through simple hover and click actions, ensuring your outreach reaches the intended recipient and protecting your sender reputation.

Alternatives to InboxCheck

Browse category →

Reviewed matches are labeled. Other suggestions come from a shared subcategory, use case, source listing or the same category. Compare features and current plans before choosing.

Product

Inleado

Turn inbound leads into booked sales meetings in seconds

Zinvite

Automate Outlook calendar invites to book more meetings

MailHarvest Pro

Extract, validate and score emails from webpages or PDFs

QueueForm

Pre-launch waitlist management for word of mouth marketing

Coherence - The Modern XRM

Connect email, tasks, and every data type for your business

Formzz

Connected forms, AI chat, and meeting scheduling

DealsFlow

AI books LinkedIn meetings while you run the business

ZapForm

Smarter Forms, Better Conversions

Browse category →

Selected by category and available use-case details. A topic match does not establish equivalent features.

Product

LLMFY

Optimize for AI search engines like ChatGPT and Perplexity

OpsBites

Run operations with clarity

ProspectB2B

Manage B2B prospecting with tasks and Kanban pipelines

CardAction

The Lightning-Fast Business Card Scanner

FounderUpdate

Monthly investor updates, written in 5 minutes.

StructIdeas

Stop having ideas, start building plans.

Recently added in Productivity & Collaboration

Browse category →

Added to this directory in the past 30 days. Dates refer to the directory listing, not the product launch.

Product

Clipori

An open-source Mac clipboard with AI search and notes

DisplayShift

Plug in a monitor and choose which windows move over

paperfeel.ing

Make your PDF look scanned. Spare the printer.

Chronos

Unify deadlines from your tools in one AI-powered dashboard

Explore expertise in Productivity & Collaboration

See all →

Profiles grouped by topic. This does not confirm an offer, availability or a connection to this profile.

Profile

David Allen

American productivity consultant and author

Technomanagers

IIM Bangalore & IIT Kanpur alumni are helping you land your dream career in Management or Technology.

Andrew Wagner

Founder/CTO at Odo

Media about Productivity & Collaboration

See all →

Shows and channels grouped by topic. A recommendation does not mean this profile was featured or endorsed.

Show

Thoughts from the Ivory Basement

Newsletter · Günter Richter

Top SaaS & AI Tools

YouTube · 130K subscribers

Ai & SaaS Lab

YouTube · 10K subscribers

Founder stories from Productivity & Collaboration startups

See all →

Retold founder accounts from startups in the same category, each linked to the original.

Story

Buffer's first paying customer arrived four days after a seven-week build

Joel Gascoigne validated Buffer with a two-page landing flow, spent seven weeks of evenings and weekends on a minimal product, launched on 30 November 2010, and recorded a first paying customer within four days.

Tibo stated sub-$2M ARR at sale and $6–7M later, not catalog $3.5M

In a January 2024 Bootstrapped Founder interview, Thibault Louis-Lucas did not quote a $10M sale price or $3.5M ARR; he said Lempire acquired them below $2M annual recurring revenue and that they were nearing $6–7M, with

Tally's March 2024 letter is $100k MRR, not a $3M ARR stamp

Marie Martens wrote that Tally, launched in summer 2020 with Filip, hit $100k monthly recurring revenue in February 2024 with a bootstrapped team of three and more than 250,000 users; this record uses those founder label

Ajay Goel priced GMass after a free year, not after an ARR headline

Ajay Goel’s own GMass posts give send volume, user counts, and plan prices. In a later interview he described a $10,000 first build, a free first year, and $10,000 to $20,000 a month after the paywall. He did not state $

Browse Productivity & Collaboration categories

See all →

Subcategories in the same part of the directory, with the number of listed products.

Category

Project & task management

4,068 listed products

Time tracking & focus

2,862 listed products

Search, browsers & utilities

2,614 listed products

Notes & knowledge management

2,092 listed products

Documents & PDF

1,684 listed products

File storage & transfer

1,070 listed products

Meetings & team communication

873 listed products

Whiteboards & mind maps

550 listed products