---
title: "Callisto Software"
id: 27781
type: "company"
slug: "callisto-software"
url: "http://localhost/company/callisto-software/"
markdown_url: "http://localhost/company/callisto-software.md"
published_at: "2020-10-19T13:08:33+00:00"
modified_at: "2023-06-01T19:38:13+00:00"
author: "David Anderson"
featured_image:
  url: "http://localhost/wp-content/uploads/2022/04/20230809-041332.jpg"
excerpt: "Hastings-Trew was a Kolorworks owner and wrote a graphics toolkit for the product."
category:
  - name: "Canada"
    slug: "canada"
    taxonomy: "category"
    url: "http://localhost/category/location/canada/"
  - name: "Company"
    slug: "company"
    taxonomy: "category"
    url: "http://localhost/category/company/"
post_tag:
  - name: "Callisto Software"
    slug: "callisto-software"
    taxonomy: "post_tag"
    url: "http://localhost/tag/callisto-software/"
indiv:
  - name: "James Hastings-Trew"
    slug: "james-hastings-trew"
    taxonomy: "indiv"
    url: "http://localhost/indiv/james-hastings-trew/"
owner_tag:
  - name: "James Hastings-Trew"
    slug: "james-hastings-trew"
    taxonomy: "indiv"
    url: "http://localhost/indiv/james-hastings-trew/"
address: "924 2nd Street East, Saskatoon Canada S7H 1R1"
companies_articles:
  - id: 45022
    title: "Sinc Artist 1.3"
    type: "article"
    url: "http://localhost/article/sinc-artist-1-3/"
  - id: 36267
    title: "SINC-ARTIST Hi-Res Graphics Program Review"
    type: "article"
    url: "http://localhost/article/sinc-artist-hi-res-graphics-program-review/"
  - id: 16114
    title: "T-S News"
    type: "article"
    url: "http://localhost/article/t-s-news-7/"
  - id: 10538
    title: "ZX 81 News and Resources"
    type: "article"
    url: "http://localhost/article/zx-81-news-and-resources/"
  - id: 8557
    title: "ZX81 Hardware and Software News"
    type: "article"
    url: "http://localhost/article/zx81-hardware-and-software-news/"
companies_products:
  - id: 27782
    title: "SincArtist"
    type: "product"
    url: "http://localhost/product/sinc-artist/"
  - id: 34773
    title: "SincArtist HR"
    type: "product"
    url: "http://localhost/product/sinc-artist-hr/"
  - id: 27783
    title: "ZX Hi-Res"
    type: "product"
    url: "http://localhost/product/zx-hi-res/"
child_pages: false
---

# Callisto Software

Hastings-Trew was a [Kolorworks](http://localhost/product/kolorworks/) owner and wrote a graphics toolkit for the product.