Software Alternatives, Accelerators & Startups

FASM VS CloudCLI

Compare FASM VS CloudCLI and see what are their differences

FASM logo FASM

Open source self-assembling assembler supporting multiple operating systems.

CloudCLI logo CloudCLI

Shared cloud environments for AI coding agents. Run Claude Code, Cursor CLI, Codex, and Gemini CLI from any device, API, or automation tool.
Visit Website
  • FASM Landing page
    Landing page //
    2022-08-22
  • CloudCLI CloudCLI Dashboard
    CloudCLI Dashboard //
    2026-04-01
  • CloudCLI CloudCLI Web IDE
    CloudCLI Web IDE //
    2026-04-01
  • CloudCLI Opening your dev environment on VSCode
    Opening your dev environment on VSCode //
    2026-04-01
  • CloudCLI Opening an environment on your mobile
    Opening an environment on your mobile //
    2026-04-01

Most engineering teams run AI coding agents on individual laptops. Close the lid, lose the session. When a new developer joins, they spend hours recreating the same setup.

CloudCLI gives your team shared cloud environments where AI agents run 24/7. Every developer gets their own isolated container, but the team shares MCP servers, context files, and configurations across all projects. Onboarding takes minutes.

Sessions can be started through a full REST API, so workflows in Linear, Jira, or n8n can trigger background coding agents programmatically. A ticket gets filed, an agent starts coding, the developer reviews the PR in the morning.

The web UI and mobile interface include a file explorer, git explorer, and full shell access. Review PRs on your iPad, make fixes from your phone, then pick up in VS Code over SSH.

Unlike GitHub Codespaces, CloudCLI is purpose-built for agentic development. Claude Code, Cursor CLI, Codex, and Gemini CLI come pre-installed. Sessions survive laptop closure. Teams bring their own API keys with no vendor lock-in.

Built on an open-source core (AGPL-3, 9,000+ GitHub stars). Self-host for data sovereignty or use the managed service from โ‚ฌ7/month.

CloudCLI

$ Details
paid Free Trial โ‚ฌ7.0 / Monthly
Platforms
Web Mobile
Startup details
Country
Netherlands
State
Zuid Holland
Founder(s)
Simos Mikelatos
Employees
1 - 9

FASM features and specs

  • High Performance
    FASM (Flat Assembler) is known for its high-performance capabilities due to its design, which allows it to generate highly optimized machine code that can execute efficiently on processors, making it suitable for system-level programming where performance is critical.
  • Size Efficiency
    FASM produces very small executables, which is advantageous in environments where memory and storage space are limited. Its ability to create compact binaries is particularly useful in embedded systems and resource-constrained applications.
  • Simplicity and Directness
    FASM provides a straightforward approach to assembly programming. Its syntax and operation are designed to be simple and direct, which can facilitate learning and development for those familiar with assembly language.
  • Self-Contained
    FASM is a self-contained assembler, meaning it does not rely on external libraries or tools to function. This can simplify the setup process and reduce dependency issues across different systems and development environments.
  • Platform Support
    FASM supports multiple platforms, including Windows, Linux, and DOS, allowing developers to use the same assembler across different operating systems, enhancing its versatility and utility in cross-platform development.

Possible disadvantages of FASM

  • Steep Learning Curve
    Despite its simplicity compared to other assemblers, FASM still requires a deep understanding of assembly language programming, which can be challenging for beginners or those more accustomed to high-level programming languages.
  • Limited High-Level Features
    FASM lacks many of the high-level abstractions found in modern programming languages, which can make complex software development more cumbersome and time-consuming, particularly for applications outside of niche or system-level requirements.
  • Minimal Community and Support
    Compared to more popular development tools, FASM has a smaller community and limited official support resources. This can make finding help and examples more difficult when encountering issues or trying to implement specific features.
  • Debugging Difficulty
    Debugging assembly language programs can be difficult, as errors are often low-level and not as straightforward to trace or fix as in high-level languages. This can extend the development and testing phases of projects using FASM.
  • Compatibility and Portability Issues
    Writing in assembly language with FASM may lead to compatibility and portability issues, as code may need to be rewritten or heavily modified to work on different architectures or systems, limiting its flexibility for certain applications.

CloudCLI features and specs

  • Multi-Agent Support
    Run Claude Code, Cursor CLI, OpenAI Codex, and Gemini CLI side by side. Bring your own API keys. No vendor lock-in.
  • Git Integration
    Manage branches, view commit history, and browse files with syntax highlighting directly from the browser or mobile app.
  • Persistent Cloud Sessions
    agents keep running 24/7. Close your laptop, switch devices, or walk away entirely and your session survives with full context intact
  • Web UI & Mobile App
    Chat with agents, browse files, manage git branches, and monitor sessions from a browser or phone. No VS Code required.
  • Cross-Device Sync
    Start planning a feature on your phone, pick up the same session in VS Code at your desk, or kick off from a Linear ticket and continue in your IDE.
  • Plugin Ecosystem
    Extend your workflow with plugins and MCP integrations. Customize how your agents work to fit your team's process.
  • Shared Team Environments
    Every developer gets their own isolated container while the team shares MCP servers, context files, and configurations. Onboard new developers in minutes, not hours.
  • API-Driven Session Management
    Start, stop, and manage environments through a full API. Trigger coding agents programmatically from Linear, Jira, n8n, or any automation tool.

Analysis of CloudCLI

Overall verdict

  • CloudCLI appears to be a niche AI-powered command-line tool aimed at developers who want to interact with cloud services or AI models directly from the terminal, but there is limited independent, verifiable information available about its performance, reliability, and long-term support, so it should be evaluated cautiously and tested on a small scale before committing to it for critical workflows.

Why this product is good

  • Offers a command-line interface that can speed up developer workflows without needing to switch to a GUI or browser
  • Potentially integrates AI capabilities directly into scripting and automation pipelines
  • May reduce context-switching for developers already comfortable working in terminal environments
  • Could support faster prototyping if the tool's claimed features work as advertised

Recommended for

  • Developers who prefer terminal-based workflows over GUI tools
  • Teams experimenting with AI-assisted coding or cloud automation who want to test lightweight CLI tools
  • Early adopters comfortable with newer, less-established products
  • Users who need lightweight AI integration into existing shell scripts or CI/CD pipelines

FASM videos

Code Review: string length in x64 assembly (fasm)

More videos:

  • Review - Code Review: x64 fasm strlen

CloudCLI videos

No CloudCLI videos yet. You could help us improve this page by suggesting one.

Add video

Category Popularity

0-100% (relative to FASM and CloudCLI)
Text Editors
100 100%
0% 0
Developer Tools
0 0%
100% 100
IDE
100 100%
0% 0
Productivity
0 0%
100% 100

Questions & Answers

As answered by people managing FASM and CloudCLI.

Which are the primary technologies used for building your product?

CloudCLI's answer:

CloudCLI is built with a modern JavaScript/TypeScript stack:

  • Frontend: React with Vite for fast builds, Tailwind CSS for styling, and CodeMirror for the in-browser code editor with syntax highlighting
  • Backend: Node.js powering the server and session management
  • Infrastructure: Docker for containerized cloud sessions, with support for self-hosting
  • Mobile: A dedicated mobile app for managing sessions on the go

The entire codebase is open source under AGPL-3 and available on GitHub.

Why should a person choose your product over its competitors?

CloudCLI's answer:

Compared to tools like GitHub Codespaces, CloudCLI is purpose-built for agentic development rather than traditional coding. Here's what sets it apart:

  • AI-agent-first: While competitors give you a cloud IDE, CloudCLI gives your AI agents a persistent home in the cloud. Your agents keep working even when your laptop is closed.
  • Open-source web UI and mobile app: No other CDE ships with both a browser-based UI and a native mobile app for managing sessions on the go. And it's all open source.
  • Cross-device continuity: Start planning on your phone, continue in VS Code at your desk, or kick off from a Linear ticket. Your session context carries over seamlessly.
  • Multi-agent support: Run Claude Code, Cursor CLI, OpenAI Codex, and Gemini CLI from one platform instead of managing separate setups.
  • Affordable: Starting at โ‚ฌ7/month for the managed service, or self-host for free with Docker.

What makes your product unique?

CloudCLI's answer:

CloudCLI is one of the only cloud development environments built specifically for AI coding agents. Where Codespaces and Gitpod give you a cloud editor, CloudCLI gives your agents a persistent home that stays alive 24/7. What makes it particularly valuable for teams: shared MCP servers and environment configs mean every developer starts from the same baseline. A full REST API means sessions can be triggered from automation tools, not just opened manually. Background agents can run overnight and produce PRs for review in the morning. And the entire platform is open source (AGPL-3) so teams can self-host on their own infrastructure.

How would you describe the primary audience of your product?

CloudCLI's answer:

CloudCLI is built for engineering teams that use AI coding agents as part of their daily workflow. This includes teams adopting agentic development practices with tools like Claude Code, Cursor CLI, or Codex who need shared environments where MCP servers, context files, and configurations stay consistent across every developer. It also serves engineering managers looking to integrate AI agents into existing workflows through API-driven automation with tools like Linear, Jira, and n8n. Solo developers and open-source contributors who want persistent remote access from any device are also a core audience, along with organizations that need to self-host for data sovereignty or regulatory compliance.

What's the story behind your product?

CloudCLI's answer:

CloudCLI started as an open-source project to solve a problem every developer using AI coding agents hits: your agent ties up your terminal and stops working when your laptop sleeps. We built a cloud-native environment where agents run persistently, paired with an open-source web UI so anyone could manage sessions from a browser or phone. As teams started adopting it, the focus shifted to shared environments, where team-wide MCP servers, configurations, and context files could be maintained in one place instead of duplicated across every developer's machine. The project grew to 9,000+ GitHub stars organically with no marketing. Today CloudCLI offers both a free self-hosted option and a managed cloud service starting at โ‚ฌ7/month.

User comments

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Social recommendations and mentions

Based on our record, FASM seems to be more popular. It has been mentiond 14 times since March 2021. We are tracking product recommendations and mentions on various public social media platforms and blogs. They can help you identify which product is more popular and what people think of it.

FASM mentions (14)

  • Ask HN: What less-popular systems programming language are you using?
    Did you get a look at fasm [0] ? It has nice capabilities [0] : https://flatassembler.net/. - Source: Hacker News / over 1 year ago
  • How do you add webassembly support?
    Are you affiliated with https://flatassembler.net/? Source: over 3 years ago
  • Ask HN: What are some excellent pieces of software written by a single person?
    Https://flatassembler.net Unfortunately it won't run on recent Macs since it's written in 32-bit assembly, so some modifications are needed. - Source: Hacker News / over 3 years ago
  • macOS Subsystem for Linux
    Running 32-bit apps, for example. I sometimes code in assembly for fun (my professional work is mobile app developer, though). One of my favorite assemblers is FASM: https://flatassembler.net/ It's still written in 32-bit assembly, which means it won't run on any macOS since Catalina. On the other side, Linux still provide 32-bit compatibility mode. - Source: Hacker News / almost 4 years ago
  • Announcing: MiniRust
    Since you mentioned Zig, I'd like to ask a tangential question in case someone could chime in. Is there any way to have Zig output a flat binary? I am looking for a higher level FlatAssembler. [0] [0] https://flatassembler.net/. - Source: Hacker News / almost 4 years ago
View more

CloudCLI mentions (0)

We have not tracked any mentions of CloudCLI yet. Tracking of CloudCLI recommendations started around Mar 2026.

What are some alternatives?

When comparing FASM and CloudCLI, you can also consider the following products

Virtual Windows 98 - Use Windows 98 in your browser

GitHub Codespaces - GItHub Codespaces is a hosted remote coding environment by GitHub based on Visual Studio Codespaces integrated directly for GitHub.

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Gitpod - One click dev environment for GitHub

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Qoder IDE - Qoder is an AI-powered agentic coding platform and IDE that automates complex software development tasks using autonomous AI agents.