Spoiler: Electron and JVM suck. C + Lua win.
The Philosophy Behind This Decision
I've become something of a philosopher in IT lately. And honestly? I'm okay with that. I share my experiences from a pure engineering perspective—no marketing bullshit, no sales pitch, no "subscribe to my course."
Here's the brutal truth: almost every marketer in tech wants to sell you something. IDE vendors sell you subscriptions so you can code peacefully while watching your hardware performance tank. Our world has been colonized by Electron and JVM, and it's tragic.
But what if I told you that you can code comfortably in any language with autocomplete, real-time suggestions, LSP support, AI assistance if you want it—and use 10–15x less RAM?
My Software Philosophy
I've always built software for free. Why? Not because I'm some zealous GNU/Linux evangelist. I do it because I genuinely want to help. For free. I don't need the money, and I have zero interest in selling licenses to corporations. If they want it—they can pay if they choose.
Yeah, I could write my own code editor using lightweight tools, without Electron bloat. Nothing stops me. But it doesn't interest me right now. Perhaps someday—I recently finished the specification for FzCode, part of the ForgeZero ecosystem. But that's another story.
For now, let's talk about editors.
What Is Neovim? And Why Should You Care?
Neovim is a modern, heavily weaponized version of the classic Vim text editor. It's written in C and Lua. The embedded Lua engine lets you write plugins in pure Lua—which sounds mundane until you understand what that enables.
Veteran developers know what Vim is. But Neovim? It's not your father's Vim.
What Neovim Can Actually Do
LSP (Language Server Protocol) — Real autocomplete, syntax highlighting, error detection, refactoring. Everything you get in massive IDEs, but without the 2GB overhead.
Treesitter — A brutally fast code parser that makes syntax highlighting not just quick, but beautiful. This isn't regex-based pattern matching. This is genuine structural understanding of your code.
Massive Plugin Ecosystem — Thousands of plugins, trivial to install. No config hell. No dependency nightmares.
Turnkey Distributions — LazyVim (yes, it's heavier, but still nimble) lets you be productive immediately. Ships with :Mason for LSP server management.
Starter Configurations — Dead simple base configs you customize yourself. Write your entire setup in init.lua. It's like building with LEGO—you architect your own perfect workspace.
Why Is Neovim Actually Fast?
I'm not saying Neovim is objectively "better." I'm saying it's measurably faster and uses orders of magnitude less RAM than:
- VS Code (Electron-based)
- GoLand and other JetBrains IDEs (JVM-based)
- CLion, IntelliJ, RubyMine (all JVM)
The Architectural Reality
| Dimension | Neovim | VS Code / JetBrains |
|---|
| Core Language | C + Lua | Electron (HTML+CSS+JS) / Java (JVM) |
| Idle RAM Usage | ~20–30 MB | 300–500+ MB |
| Startup Time | Instant | 3–7 seconds |
| Terminal Integration | Native (nvim .) | Requires GUI |
| License | Free Forever | 30-day trial or subscription |
Why This Matters Mechanically
Neovim is written in C. No JVM startup overhead. No Electron browser engine burning 500MB just to render text. You can fire it up directly in your terminal:
nvim .
That's it. You're coding. No loading screens. No progress bars. Just instant productivity.
C gives you speed. C gives you efficiency. Write Neovim in Java? The whole point evaporates.
The Real Numbers: Neovim vs VS Code vs GoLand
I ran a controlled comparison on the same project—my ForgeZero build system. Real measurements. No cherry-picking. No synthetic benchmarks.
Neovim (Custom Configuration)
RAM Usage: ~23 MB
This includes:
- LSP servers (TypeScript, Rust, Go, Python)
- Treesitter parsers for 15+ languages
- 40+ quality-of-life plugins
- Custom keybindings and configurations
- Full syntax highlighting and diagnostics
23 megabytes. That's it.
VS Code
RAM Usage: ~2 GB
This is VS Code sitting idle with the ForgeZero project open. No heavy extensions. Just the baseline with a few language servers.
That's an 87x difference.
GoLand (JetBrains)
RAM Usage: ~4 GB (indexing enabled)
GoLand is incredibly powerful. It's also incredibly hungry. The JVM alone requires 512MB+ baseline. Add indexing, analysis, and language understanding, and you're looking at 4+ GB for a single project.
Why Does Neovim Use So Little RAM?
The answer is architectural.
1. Written in C, Not a Runtime Layer
C compiles to native machine code. No interpreter. No virtual machine. No garbage collection pauses. Neovim's core is as thin as possible.
2. Lua for Plugins, Not a Full Language Runtime
Lua plugins run on LuaJIT—one of the fastest dynamic language interpreters ever built. It's compiled-to-bytecode JIT, not interpreted. You get expressive scripting without the overhead of Python or JavaScript.
3. Decoupled LSP Servers
VS Code embeds language servers inside the editor process. Neovim runs them separately. Each language server is its own process, isolated and controllable. You can kill a misbehaving TypeScript server without restarting your editor.
4. No Electron Browser
Electron is a full Chromium browser engine running inside your text editor. It's built for rendering web pages. Using it for code editing is like driving a semi-truck to the mailbox. Technically it works. Practically it's insane.
The overhead is staggering:
- Chromium's code base: ~20 million lines
- VS Code's actual IDE code: ~2 million lines
- Ratio: ~10:1 bloat-to-functionality
The Developer Experience Reality
Here's what you actually get with each:
Neovim
✅ Instant startup (milliseconds)
✅ 23 MB RAM with full feature set
✅ Works over SSH seamlessly
✅ Runs on ancient laptops
✅ Customizable to obsessive detail
✅ Free forever, no subscriptions
❌ Steeper initial learning curve
❌ Requires some configuration
❌ Manual plugin management (if not using package managers)
VS Code
✅ Gorgeous UI with zero configuration
✅ Massive extension ecosystem
✅ Remote development built-in
✅ Minimal setup time
✅ Dead simple for beginners
❌ 2GB RAM idle (87x more than Neovim)
❌ 5+ second startup
❌ Telemetry and data collection concerns
❌ Microsoft's corporate interests influence features
GoLand / JetBrains
✅ Extremely powerful refactoring
✅ Built-in debugging and testing
✅ Professional-grade analysis
✅ Beautiful, polished interface
❌ 4GB+ RAM consumption
❌ Expensive ($99–199/year)
❌ Startup time measured in seconds
❌ Overkill for most projects
❌ Tied to subscription model
So Which Should You Actually Use?
It depends on your constraints and values.
Choose Neovim If You:
- Need maximum performance on constrained hardware
- Work regularly via SSH (servers, remote machines)
- Want full control over your environment
- Have 2–3 evenings to learn the editor
- Believe your tools should be efficient
- Use minimal resources on CI/CD agents
- Want genuinely free software
Choose VS Code If You:
- Just want to be productive immediately
- Don't care about RAM consumption
- Like a visual, GUI-first experience
- Want minimal configuration friction
- Work primarily on local machines
Choose JetBrains If You:
- Need industrial-strength refactoring
- Work on large enterprise codebases
- Your employer pays for it
- You value integrated debugging and testing suites
- RAM isn't a constraint
The Hidden Cost of Bloated Editors
Every developer at your company using VS Code costs you:
- Per Developer: 2–4 GB RAM idle, 5+ seconds startup
- Across 100 Developers: 200–400 GB aggregate RAM waste
- On CI/CD: Slower test execution, higher infrastructure costs
- In Productivity: Debugging slowdowns, waiting for indexing
A team of 100 engineers, each spending 15 seconds per day waiting for VS Code to index changes, is burning ~2,500 hours per year in lost productivity.
That's one full-time employee's worth of time, wasted.
Neovim eliminates this cost completely.
Making the Switch: A Practical Path
Option 1: Dead Simple (5 Minutes)
Use Kickstart.nvim:
git clone https://github.com/nvim-lua/kickstart.nvim ~/.config/nvim
nvim
You get a working editor with LSP, Treesitter, and basic plugins immediately.
Option 2: Powered Starter (10 Minutes)
Use LazyVim:
git clone https://github.com/LazyVim/starter ~/.config/nvim
nvim
More batteries included. Still lightweight. Defaults are sensible.
Option 3: Full Customization (Evening)
Write your own ~/.config/nvim/init.lua. This is genuinely fun:
-- install lazy.nvim plugin manager
local lazypath = vim.fn.stdpath("data") .. "/lazy/lazy.nvim"
if not vim.loop.fs_stat(lazypath) then
vim.fn.system({
"git",
"clone",
"--filter=blob:none",
"https://github.com/folke/lazy.nvim.git",
"--branch=stable",
lazypath,
})
end
vim.opt.rtp:prepend(lazypath)
require("lazy").setup({
{ "neovim/nvim-lspconfig" },
{ "nvim-treesitter/nvim-treesitter", build = ":TSUpdate" },
})
You're now fully in control.
Everything I've shown here works identically on:
- Linux ✅
- macOS ✅
- Windows (via WSL) ✅
Neovim doesn't care about your OS. Neither does ForgeZero. Your tools should be platform-agnostic.
The Philosophical Statement
Neovim isn't a trend or a hype cycle. It's a statement: efficiency matters.
Your editor shouldn't be a resource hog. Your build system shouldn't spend more time parsing metadata than actually building. Your tools should be fast, predictable, and respectful of your hardware.
I'm not saying everyone must switch to Neovim. I'm saying: try it. Spend an evening configuring it. See if you're shocked by how fast and light a full-featured editor can be.
If you want immediate productivity: grab LazyVim or Kickstart.nvim. Start coding in 5 minutes. You'll have LSP, Treesitter, fuzzy finding, and full IDE features.
What This Means for Your Workflow
Code Completion
Instant. No 2-second lag. No indexing pauses.
Syntax Highlighting
Beautiful. Powered by Treesitter's structural understanding, not regex hacks.
Refactoring
Full LSP support. Rename symbols, extract functions, organize imports. All the power of big IDEs.
Remote Development
SSH into a server, type nvim, and you're editing with full LSP support. No setup. No waiting for a remote VS Code instance.
Resource Efficiency
On a 16GB machine, you have 15.975 GB available for your actual work.
Final Verdict
| Metric | Winner | By How Much |
|---|
| Speed | Neovim | Instant vs 5+ seconds |
| RAM Efficiency | Neovim | 87x less RAM |
| Setup Time | VS Code | 2 minutes vs 1 hour |
| Customization | Neovim | Unlimited |
| Professional Power | GoLand | Superior refactoring |
| Cost | Neovim | Free vs $99–199/year |
The Real Question
Here's what you should actually ask yourself:
"Do I want my tools optimizing for my performance, or for vendor profitability?"
If it's the former: Neovim.
If you don't care: VS Code is fine.
If you have unlimited resources: GoLand will make you productive.
But honestly? In 2026, there's no excuse for letting your text editor consume 2GB of RAM. It's architectural laziness, plain and simple.
Your Turn
Drop a comment: What's your editor? How much RAM is it eating? 👇
I'm genuinely curious whether you're defending VS Code out of love or just Stockholm syndrome from Electron.
Resources to Get Started
Neovim taught me that bloat isn't inevitable. It's a choice. And I chose efficiency.
You should too.