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Crystal (programming language) VS CodeTogether

Compare Crystal (programming language) VS CodeTogether and see what are their differences

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Crystal (programming language) logo Crystal (programming language)

Programming language with Ruby-like syntax that compiles to efficient native code.

CodeTogether logo CodeTogether

Live share IDEs and coding sessions. See changes in real time.
  • Crystal (programming language) Landing page
    Landing page //
    2022-01-26
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CodeTogether is the perfect blend of functionality and simplicity, designed by a team of remote developers that rely on collaborative development. Whether you are on an Agile team that uses pair programming as part of your regular software development flow or you just like to live share your code in the occasional troubleshooting session, CodeTogether is the best tool for pair programming, mob programming, code review, and more! If youโ€™ve been using screen sharing or an online code editor for collaborative coding, youโ€™ll be amazed at the difference! Seeing is believingโ€”watch our linked videos to see CodeTogether in action.

CodeTogether

$ Details
paid Free Trial $10.0 / Monthly (Starter Plan, up to 25 users)
Platforms
Windows Mac OSX Linux
Release Date
2020 May

Crystal (programming language) features and specs

  • Performance
    Crystal is designed to have the performance of C, thanks to its compilation to efficient native code. Its static type system and low-level memory management capabilities allow optimized execution.
  • Syntax
    Crystal offers a syntax that is heavily inspired by Ruby, making it intuitive and familiar for Ruby developers. This can significantly reduce the learning curve and improve developer productivity.
  • Type Inference
    Crystal provides powerful type inference, enabling developers to write less boilerplate code while still benefiting from the safety and performance of a statically-typed language.
  • Concurrency
    Crystal supports lightweight concurrency with fibers, which allows developers to write efficient and scalable concurrent programs with a simpler syntax compared to traditional threading models.
  • Community and Ecosystem
    Crystal has an active and growing community. It also boasts a rich ecosystem with libraries and tools, making it easier for developers to find resources and support.

Possible disadvantages of Crystal (programming language)

  • Maturity
    Crystal is still a relatively young language compared to more established languages like Python or Java. This can mean fewer resources, libraries, and tools, as well as potential instability in certain areas.
  • Compilation Time
    Crystal's compilation times can be slower compared to interpreted languages, particularly for larger codebases. This can impact development workflows and iteration speed.
  • Binary Size
    Compiled Crystal programs tend to generate larger binary sizes compared to other compiled languages like Go or Rust. This can be a consideration for resource-constrained environments.
  • Platform Support
    Being less mature, Crystal may have fewer options for platform-specific optimizations and integrations, which could limit its use in certain specialized applications.
  • Tooling
    Although the situation is improving, Crystal's tooling ecosystem is not as mature as those of older languages. This can affect the availability and quality of IDE support, debugging tools, and other development aids.

CodeTogether features and specs

  • End-to-End Encryption
  • On-Premises
    Available
  • Cross-platform support
    Across multiple IDEs and browsers, no vendor lock-in
  • Host-provided intelligence
    Advanced content assist, validation, navigation, etc.
  • Simultaneous Coding
    Code in any group (even in the same file at the same time) or on your own
  • Shared servers, terminals & consoles
    Hosts can share servers for remote access, and terminals that optionally allow guests to execute commands
  • Run Tests & Launches
    Guests can remotely run tests and analyze results. They can also execute run configurations from the host IDE.
  • Audio/Video & Screen Sharing
    Option to invite guests that aren't part of the coding session

Analysis of Crystal (programming language)

Overall verdict

  • Crystal is considered a good choice for developers who appreciate the syntax and flexibility of Ruby but require the performance and safety of a compiled language. Its balance of readability and efficiency makes it ideal for projects where high performance is critical but developer productivity cannot be sacrificed. However, potential users should consider the relatively smaller community compared to more established languages.

Why this product is good

  • Crystal is designed to combine the elegance and productivity of Ruby with the performance and efficiency of a compiled language. It offers a syntax that is close to Ruby, making it easy to read and write, while its compiler produces highly optimized native code. The language features static type checking, which helps catch errors at compile time, and it comes with powerful concurrency support through lightweight fibers. Additionally, Crystal's extensive standard library and growing ecosystem make it suitable for a wide range of applications.

Recommended for

  • Developers who enjoy Ruby's syntax but need better performance.
  • Projects that require strong concurrency support.
  • Applications where native code performance is a priority.
  • Developers willing to explore a language with a smaller ecosystem.

Crystal (programming language) videos

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CodeTogether videos

CodeTogether: The Complete Overview to Live Sharing your IDE

Category Popularity

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User comments

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Social recommendations and mentions

Based on our record, Crystal (programming language) seems to be a lot more popular than CodeTogether. While we know about 123 links to Crystal (programming language), we've tracked only 4 mentions of CodeTogether. 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.

Crystal (programming language) mentions (123)

  • Ruby for Good
    Which can include type assertions but also a lot more. The agents seem to do well with this. I've also had good results using agents to write Crystal https://crystal-lang.org/ which is Ruby-like but does have the static types and produces blazing fast static binaries. Might be a sweet spot for coding agents if you're building some backend services. But I'd still pick Ruby on Rails for a new full stack project. - Source: Hacker News / about 2 months ago
  • Ask HN: What Are You Working On? (May 2026)
    Sounds a lot like Crystal, which is also similar to Ruby and features a green fiber runtime: https://crystal-lang.org/#concurrency. - Source: Hacker News / 2 months ago
  • A Grand Vision for Rust
    > 1. Go with a better type system. A compiled language, that has sum types, no-nil, and generics. I was looking for something like that and eventually found Crystal (https://crystal-lang.org) as a closest match: LLVM compiled, strong static typing with explicit nulls and very good type inference, stackfull coroutines, channels etc. - Source: Hacker News / 5 months ago
  • Response to Ruby Is Not a Serious Programming Language
    Wondering why https://crystal-lang.org/ hasn't been mentioned in the comments. - Source: Hacker News / 8 months ago
  • Show HN: รœ Programming Language
    > What kind of code snippets could you suggest? Anything really! Some websites that do this currently: https://ziglang.org, https://crystal-lang.org and https://www.ruby-lang.org/en > I have a comparison table mentioning features Yes - I did see this in the README. Maybe worth adding it, or something similar to the website. - Source: Hacker News / 9 months ago
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CodeTogether mentions (4)

  • Hey! Are there any coding platforms where you can share a simple link with other people to use an app? I keep wanting to find something other than code.org (which makes sharing pretty easy and accessible to anyone)
    Looking for collaboration and advanced features? Most decent ones cost money ... Start with replit.com, also look at codeanywhere.com, and also codetogether.com (requires download, free+paid plans). Source: over 4 years ago
  • QUESTION: How to manage pair programming?
    Are you using the right tools? Screen sharing isn't great for longer sessions, and you need a code focused tool like Live Share, or one we make - CodeTogether, especially if you need to work across IDEs. Source: about 5 years ago
  • dual keyboard / mouse input?
    Just addressing the pair programming aspect of this - if you were doing this remotely, you could use something like codetogether.com Each of you would have your own machines and screens, but be looking at the same piece of code (if you want) or investigate / code in different areas of the project too. Source: over 5 years ago
  • PhpStorm 2021.1 Released: Preview for PHP and HTML Files, 20+ New Inspections, Improvements in All Subsystems, and Pair Programming via Code With Me
    If any of you are looking for a pair/mob programming solution that works across IDEs, do try codetogether.com. Host in IntelliJ, join from VS Code or Eclipse if you want. We just added the support for writeable shared terminals. Video covering all the features is here: https://youtu.be/OgCWc3hTBc0. Source: over 5 years ago

What are some alternatives?

When comparing Crystal (programming language) and CodeTogether, you can also consider the following products

Nim (programming language) - The Nim programming language is a concise, fast programming language that compiles to C, C++ and JavaScript.

CodeShare.io - Realtime code sharing for developers

Go Programming Language - Go, also called golang, is a programming language initially developed at Google in 2007 by Robert...

Visual Studio Live Share - Real-time collaborative development

V (programming language) - Simple, fast, safe, compiled language for developing maintainable software.

Teletype for Atom - Collaborate in real time in Atom