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Month: February 2020

CH Show HN: FounderPhone – make customer support personal with SMS

Hi HN! We're Parthi and Kunal from FounderPhone (https://founderphone.com). FounderPhone is a shared customer support inbox for SMS and calls in Slack.We've built and shipped 7 products recently and if there's one thing we've learned, it's that your personal relationship with your customer is your secret weapon as a startup. Having customers email support@company.com or…

CH Show HN: An online drawing tool that lets you change colors via MIDI controller

An online drawing tool that lets you change colors via MIDI controller. It uses the Web MIDI API available on all chromium based browsers (2019) The app runs without any plugins/java applets/whatsoever. Yet, recent changes around secruity policies made it available only via ssl and by explicitly allowing Midi access in website settings. (Icon to…

CH Show HN: Ahab – Dockerize your project, Git style

Containerization is awesome, but the upfront costs of project setup and steep learning curve can make it a pain. Ahab is a CLI tool that jump-starts this process, avoiding frustration without obfuscating your workflow. Ahab searches for a project config file ahab.json and uses it to create and interact with Docker containers. The Ahab CLI…

CH Show HN: CoveTrader – Combines multiple crypto exchanges into one trade platform

Our dev team recently launched CoveTrader at https://trader.covemarkets.com/. Using our extensive experience from traditional financial markets, we connect to many crypto exchanges (Coinbase, Kraken, Bitstamp, etc.) and show aggregated order books, trade lists, and analytics in both real-time and historical formats. We currently support BTC, ETH, LTC, BCH, ETC, EOS, and XRP, but are adding…

CH Show HN: Data structure for presence, absence proof in efficient and secure way

We introduce a data structure that allows for efficient (probabilistic) presence proofs and non-probabilistic absence proofs in a bandwidth efficient and secure way. The Bloom tree combines the idea of Bloom filters with that of Merkle trees. Bloom filters are used to verify the presence, or absence of elements in a set. In the case…

CH Show HN: Simple Micro-Survey Widgets

Simple Survey Widgets With a Native Feel Embeddable in-app surveys don’t need to feel clunky. Customize the appearance of your customer survey widget and deliver an on-brand user experience. Capture Data That Matters Gradually profile your user and collect customer data that is highly relevant and actionable. Unbeatable completion rates und accurate responses guaranteed. Ask…

CH Show HN: Parsrus – Parse JSON and XML for Golang Web APIs

Parsrus Return json or xml for golang web apis. Usage To install Parsrus go get github.com/mattb2401/parsrus To add Parsrus in your code import ( “net/http” “github.com/mattb2401/parsrus” ) // Return json request func JSONRequestHandler(w http.ResponseWriter, r *http.Request){ // parsrus.Parser struct fields {ResponseWriter, ContentType} p := parsrus.Parser{ResponseWriter: w, ContentType: “json”} // p.Parse() takes a map[string]interface{} p.Parse(parsrus.Fields{“code”: “200”,…

CH Show HN: Larq – Binarized Neural Network Inference with MLIR and TFLite

Larq Compute Engine (LCE) is a highly optimized inference engine for deploying extremely quantized neural networks, such as Binarized Neural Networks (BNNs). It currently supports various mobile platforms and has been benchmarked on a Pixel 1 phone and a Raspberry Pi. LCE provides a collection of hand-optimized TensorFlow Lite custom operators for supported instruction sets,…

CH Show HN: API for Sending Handwritten Letters

TLDR: We built out an API for sending handwritten letters at https://www.handwrite.io/handwritten-notes-apiQuick backstory: I was helping a small moving company build out some marketing automation as a side gig.We were ingesting housing data and as soon as a house went up for sale, we'd use lob.com to send a direct mail postcard letting the home…

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