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ESS development studio.

Home page of Echo Sierra Studio and lander page for all projects (and useless thingies) by ESS.

portfolio website

Sem Postma Portfolio

Personal Portfolio.

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Newsfeeder App

Combine your news

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Bespaar image

Bespaar Maar

Bespaar, Vergelijk en Verdien

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Kadaster Kaart

Kadastrale informatie app

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OV Fiets Website

Web-app/Website version of the “OV Fiets App”

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Ov Fiets App

Monitor the amount of bikes at a rental location

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Salary Comparison

Find out the average salary for almost every job in the world. 

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Public Toilets Amsterdam

Android/Web app

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KSP Part Catalog

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WT image

WT Directory

Stats on every vehicle in War Thunder

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Numeral image

Numeral Converter Website

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Echochamber Affinity

Check your twitter personality

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JSON image

JSON GUI

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Word image

Word Finder

Find scrabble words

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AHS Style image

AHS Style Guide

An inspiration style to ahs characters.

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Atc Manager image

Atc Manager 2

Atc Manager on the Web

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Youtube Comments Are Evil

Uses Markov Text generation to create fake youtube comments specific to a youtube video.

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Parse image

Parse JSON

Extremely simple json-parsing C library

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ATC Manager

Realistic ATC Control manager.

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Solar System image

Solar System 3D

Newtonian simulator

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Rustplekken image

Rustplekken Utrecht

Android/Web app

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Laika image

Laika Notes

Note taking app

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Matrix image

Matrix Editor

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HTML2 image

HTML2 JS

Converts html to javascript instructions.

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Simple Function Plotter image

Simple Function Plotter Website

Website version of the Simple Function Plotter App

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Planetary image

Planetary Factsheet

Nasa’s planetary factsheet in JSON format

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Earth at image

Earth at Night 🌌

Earth by night from space

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JSON2 image

JSON2 XML

JSON to XML converter utility.

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Bioscopen Nederland

Android/Web app

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Encode Secret image

Encode Secret Image

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Maze image

Maze Solver

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A Star image

A Star Pathfinding

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form- image

form- validity

HTML5 constraint validation API wrapper.

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Neural Net image

Neural Net Visualizer

For Synaptic.js

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All 3D Models

Other sketchfab creations.

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Boeing image

Boeing 747

Simple Low tri/edge count model.

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Rocks Metallic Pack

PBR textured gaming assets. A curvature map was used to create highlights on the convexity of the model.

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{json}2 image

{json}2 csv

CSV2JSON (and back) converter.

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Solitaire image

Solitaire (WIP)

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Save SVG image

Save SVG URI

Chrome extension.

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Parse image

Parse XML

fast and memory efficient ANSI C xml parsing library.

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Function image

Function Plotter

Expression solver.

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Nosedive image

Nosedive Network

Social network. (WIP)

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Boggle image

Boggle Solutions

Finder

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Molecule image

Molecule Parser

Dot Net Core C#

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Grammer image

Grammer Checker

Check your text.

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Mouse image

Mouse Mania

Joke

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Protected Url

Protect your url by putting it behind a login dialog.

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Design Website

A Simple Design Website.

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Forum image

Forum Example

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Universe image

Universe Creator

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Tappy image

Tappy Turbulance

Another Tappy bird🐦 like game.

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Tappy image

Tappy Plane

A Tappy bird like game.

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Base image

Base Converter

Hex Calculator

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Air ✈ image

Air ✈ Control

Madness

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Mars image

Mars Rover

Rusty rover Unity package.

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Periodic image

Periodic Table

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Color image

Color Adjustor

command line utility

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Mind image

Mind Mapper

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Top Down image

Top Down Defence

Vindicta

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Webshop

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ETL for C#

A WIP testing language

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