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With AI, Everyone is a Dev. EveryDev.ai ©
    1. Home
    2. Developers
    3. Christopher Wellons

    Christopher Wellons

    Christopher Wellons is an individual software engineer, open-source developer, and technical writer who builds precise, efficient, small-footprint software—especially in C and C++—and publishes articles explaining original programming techniques and tools. His work emphasizes simplicity, portability, performance, public-domain licensing, and practical developer tooling.

    Visit Website

    At a Glance

    1Tool Listed
    11Products
    8Capabilities
    Discussions
    Maryland, United StatesHeadquarters
    2007Est.
    Focus Areas
    AI Coding Assistants
    Agent Harness
    Local Inference
    Connect
    Latest News
    Announced Prospero, a native low-resource AI coding harness for local and remote model agents.Oct 31, 2026
    Announced tugz, a new C deflate library and three associated applications, alongside w64devkit 2.10.1.Oct 13, 2026
    Markets
    • Individual programmers and open-source developers
    • C and C++ developers
    • Windows developers needing a portable toolchain
    • Users of local and hosted AI model providers
    • +2 more

    AI Tools by Christopher Wellons

    (1)
    View Prospero
    Prospero tool icon

    Prospero

    Native GUI AI Coding Harness

    Agent HarnessAI Coding Asst.Local Inference

    Discussions

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    Be the first to start a discussion about Christopher Wellons

    Latest News

    10/31/2026

    Announced Prospero, a native low-resource AI coding harness for local and remote model agents.

    nullprogram.com
    10/13/2026

    Announced tugz, a new C deflate library and three associated applications, alongside w64devkit 2.10.1.

    nullprogram.com
    10/04/2026

    Announced ssg, a bespoke C++20 static-site generator replacing Jekyll for null program.

    nullprogram.com
    09/20/2026

    Reported a year of w64devkit development, including Peter0x44 joining as co-maintainer.

    nullprogram.com

    Products & Services

    11
    Prospero
    2026-10-31

    A native C++/Dear ImGui GUI coding harness for Windows, macOS, and Linux. It connects local or remote AI model providers, lets agents drive computers to develop software, can run in-process, headless, over SSH, or in the background, and is available as an open-source edition plus a $25-or-more professional itch.io edition.

    w64devkit

    A portable C and C++ development kit for Windows, bundling the tools needed to build high-performance programs and graphical games.

    u-config

    A small, highly portable pkg-config implementation with first-class Windows support; its primary use case is w64devkit.

    Elfeed
    2013

    An extensible RSS and Atom syndication-feed reader for Emacs.

    Market Position

    Wellons positions his work around compact, native, portable, low-dependency software rather than large web-stack applications. Prospero specifically differentiates itself from conventional AI coding harnesses through a single lean executable, passive Dear ImGui rendering, broad platform/architecture support, headless and remote operation, and an emphasis on unattended development; his other tools compete through simplicity, performance, portability, and public-domain availability.

    Leadership

    Founders

    CW

    Christopher Wellons

    Professional software engineer with around 24 years of programming experience at the time of a Uses This interview; he also mentors high-school and college students. He publishes under the handle skeeto, maintains hundreds of open-source repositories, and has written and maintained projects including Elfeed, Endlessh, and Enchive.

    Founding Story

    This is a personal software and publishing practice rather than a company. Wellons says his blog has been ongoing since 2007 and that he writes articles when he encounters a gap in reliable material while learning a topic himself; he later publishes a unique explanation, technique, demonstration, or open-source contribution. He describes his project philosophy as favoring small, simple, modifiable tools and public-domain software whenever possible.

    Business Model

    Revenue Model

    Most of Wellons's software is open source and released into the public domain or under the Unlicense. Prospero has a paid professional edition distributed through itch.io, while its GitHub project is open source.

    Pricing Tiers

    Prospero professional edition
    $25 USD or more one-time purchase

    The itch.io edition includes Windows, macOS, and Linux builds and bundles remote deployment engines for supported architectures.

    Target Markets

    Industries & Segments
    • Individual programmers and open-source developers
    • C and C++ developers
    • Windows developers needing a portable toolchain
    • Users of local and hosted AI model providers
    • Systems, security, and performance-oriented programmers
    • Retro-computing and game-preservation enthusiasts
    Use Cases
    • Building and debugging C/C++ software on Windows, macOS, and Linux
    • Reading and managing RSS/Atom feeds
    • Protecting servers from SSH scanning bots
    • Creating encrypted personal archives and backups
    • Using local or remote AI agents to develop, test, and debug software and GUI applications
    • Running legacy Windows 16-bit software and games on modern systems

    Quick Facts

    Headquarters
    Maryland, United States
    Founded
    2007

    History & Milestones

    2026-10-31

    Announced Prospero, a native, resource-efficient AI coding harness.

    2026-10-04

    Replaced the blog's Jekyll build with ssg, a bespoke C++20 static-site generator.

    2026-09-17

    Introduced Stars!VM, a custom 80286 emulator and Win16-to-Win32 bridge for running the classic Stars! game as a native modern application.

    2026-04-07

    Introduced dcmake, a native, cross-platform graphical debugger UI for CMake's Debugger Adaptor Protocol.

    2026-03

    Reported leaving his employer after nearly two decades and shifting his professional work toward AI-assisted software engineering.

    Key Capabilities

    8
    Precise, efficient, small-footprint C and C++ software
    Cross-platform and portable development tools with strong Windows support
    Public-domain or Unlicense-oriented open-source releases
    Native GUI applications rather than resource-heavy web stacks
    AI-assisted software development and autonomous coding workflows in Prospero
    Local and remote model-provider support through OpenAI Chat Completions-compatible APIs and Anthropic's Messages API

    Integrations & Partnerships

    Platform Integrations

    • Prospero runs on Windows, macOS, and Linux, including x86_64 and aarch64 builds.
    • Prospero speaks the OpenAI Chat Completions API, including providers and servers such as llama.cpp, vLLM, and LiteLLM, and supports Anthropic's Messages API with extended thinking and prompt caching.
    • Prospero can use local or remote engines, SSH, containers, and desktop-control capabilities.
    • w64devkit integrates the portable Windows C/C++ toolchain and is specifically cited as a strong environment for Prospero on Windows.
    • Elfeed integrates with RSS/Atom feeds and can hand URLs to command-line tools such as yt-dlp.

    Connect

    Website
    nullprogram.com/
    GitHub
    skeeto

    AI Topics

    3

    Christopher Wellons focuses on these topics:

    AI Coding Assistants(1)
    Agent Harness(1)
    Local Inference(1)
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