Christian Kletzl

Modelbit — Heroku for Data Science, from the founders of Periscope Data

Jam — Your own open source Clubhouse for mini conferences, friends

SaaS LTV Calculator — Get a better approximation of your true customer LTV

Citizenbase — Get to know the candidates on your ballot

involve.me — Build customizable widgets like quizzes, forms & calculators

UserGems for Business — Get warm leads by tracking your users for job changes

Robo Wunderkind — Coding and robotics made easy for kids 🤖

October — Visual and pseudonymous social network.

brandquiz — Build beautiful, fully customizable quizzes, surveys & more

Upcall — We quickly qualify and set meetings 📆 with your online leads

CryptoGoods — Turn your cryptocollectibles into unique, physical goods

Waves Insights — Consumer Insights SDK for Messaging Platforms

Swelly 4.0 — Collect opinions from your friends within seconds

MailPort — Send your MailChimp newsletter to Facebook Messenger

HEROES for Facebook Messenger — Broadcasting tool for influencers

Empower for Android — The only app you need to manage your finances

Arrive — Instantly track all your packages in one place 📦

Amazon Comprehend — Discover insights and relationships in text

First Search — The world's best startup advice, curated and searchable.

Addme — All your social pages in one place