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Developer Tools · head to head

Helix vs Proton Mail

Helix logo

Helix

Developer Tools

Post-modern modal text editor for the terminal, written in Rust

From
Free
Free plan
Yes
Full reviewWebsite
Proton Mail logo

Proton Mail

Cybersecurity

Secure email that protects your privacy

From
Free
Free plan
Yes
Full reviewWebsite

The short version

  • Each has a real cost: Helix no official GUI application yet, so it requires comfort with terminal workflows.; Proton Mail paid plan pricing not displayed on vendor site
  • Prices and features above were last checked on 29 August 2026.

Where they differ

Only the attributes on which Helix and Proton Mail actually diverge.

Attributes where Helix and Proton Mail differ
AttributeHelixProton Mail
Pricing modelopen-sourcefreemium
Platformslinux, mac, windowsWeb
CategoryDeveloper ToolsCybersecurity

Identical on both: starting price (Free), free tier (Yes), user rating (Not yet rated).

What each one covers

Drawn from each product's published feature list. An absence here means we hold no record of it - not that the product lacks it.

Only in Helix

  • Multiple Selections
  • Tree-sitter Syntax Trees
  • Built-in LSP Support
  • Fuzzy File Finder
  • Project-wide Search

Only in Proton Mail

Nothing recorded that Helix does not also cover.

What people use each for

The jobs each tool is most often brought in to do.

Helix

  • Editing code over SSH or in tmux sessionsnot Proton Mail
  • Working with syntax-aware selection and navigationnot Proton Mail
  • Getting IDE-like completion and diagnostics without plugin setupnot Proton Mail
  • Lightweight, low-resource code editing on laptopsnot Proton Mail

Proton Mail

  • Encrypted email communicationnot Helix
  • Privacy-focused email servicenot Helix
  • Family email protectionnot Helix

Where each one falls short

Documented limitations, not opinions. Every one is a constraint you would hit in normal use.

Helix

  • No official GUI application yet, so it requires comfort with terminal workflows.
  • Plugin ecosystem is far smaller than Vim's or Neovim's, limiting customization.
  • Keybindings differ from both Vim and Kakoune, adding a learning curve for users of either.
  • Configuration is more limited than Neovim's Lua-based extensibility.

Proton Mail

  • Paid plan pricing not displayed on vendor site
  • Free tier limited to 1 GB storage
  • Free tier limited to single email address

Pricing, plan by plan

Helix

Free
  • FreeFree
    • Full editor, no paid tiers

Proton Mail

Free

No published plan breakdown. See the Proton Mail review.

Which should you pick?

Choose Helix if

  • You need multiple selections.
  • You want to start without paying.
  • You work on linux, mac, windows.
  • You also want tree-sitter syntax trees.
Helix review

Choose Proton Mail if

  • You want to start without paying.
Proton Mail review

Questions people ask

Is Helix or Proton Mail better?
Neither clearly leads. Helix starts at Free and Proton Mail at Free, and user ratings are close enough to be indistinguishable. Choose on capability and platform support.
Which is cheaper, Helix or Proton Mail?
Helix starts at Free and Proton Mail at Free.
Does Helix or Proton Mail run on more platforms?
Helix runs on linux, mac, windows. Proton Mail runs on Web.
Can I use Helix for free?
Both have a free tier, so you can try either at no cost before committing.
What is Helix best used for?
Helix is most often used for editing code over ssh or in tmux sessions, working with syntax-aware selection and navigation, getting ide-like completion and diagnostics without plugin setup, lightweight, low-resource code editing on laptops. Of those, editing code over ssh or in tmux sessions and working with syntax-aware selection and navigation are not what Proton Mail is typically brought in for.
What can Helix do that Proton Mail cannot?
Helix covers Multiple Selections, Tree-sitter Syntax Trees, Built-in LSP Support, Fuzzy File Finder.

Answered from the vendors’ own pages

Helix: Is Helix free to use?

Yes, Helix is free and open source, licensed under the Mozilla Public License 2.0 (MPL-2.0), with no paid tiers or subscriptions.

Source
Proton Mail: Is there a free version of Proton Mail?

Yes, Proton Mail offers a free plan with 1 GB storage, 1 encrypted email address, and basic features like folders, labels, and filters.

Source
Helix: How do I install Helix?

Install via your operating system's package manager, or download pre-built binaries from GitHub Releases; the nightly version requires building from source.

Source
Proton Mail: What does the Mail Plus plan include?

Mail Plus includes 15 GB storage, 10 encrypted email addresses, support for 1 custom domain, 10 hide-my-email aliases, priority support, and access to Proton Calendar.

Source
Helix: Does Helix support plugins?

Not yet. Helix currently has no plugin system, though the project intends to add one eventually; it instead ships with built-in LSP and tree-sitter support out of the box.

Source
Proton Mail: What is included in Proton Unlimited?

Proton Unlimited provides 500 GB storage, 15 email addresses, 3 custom domains, unlimited hide-my-email aliases, access to Mail, Calendar, VPN, Drive, and Pass, plus dedicated support.

Source
Helix: How do I configure Helix?

Helix ships with sane modern defaults requiring much less config-file fiddling than Vim, though settings can still be customized in a config.toml file.

Source
Proton Mail: Does Proton Mail offer a money-back guarantee?

Yes, Proton Mail provides a 30-day money-back guarantee for paid plans.

Source
Helix: Where can I get help or support?

Support is community-driven via GitHub for code and issues, the Matrix chat for discussion, and OpenCollective for funding ongoing development.

Source
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