[ ETERNAL REVERSE · EST. 2025 ]

Software that

endures.

A three-founder studio shipping technically ambitious products for developers, athletes, and people who care about quality.

View Products Our Story →

Active products

EternalMonitorIN DEVv0.1.1-mirror

EternalRichPresenceLIVEv1.0.0-beta

Exerly FitnessIN DEV

Signature Cuts 413LIVE

Eternal2xLIVEv0.2.0

Eternal SummaryLIVEv1.0.0

EternalMonitor

EternalRichPresence

Exerly Fitness

Signature Cuts 413

Eternal2x

Eternal Summary

Rust

Swift

Metal

DXGI

SwiftUI

HealthKit

Next.js

TypeScript

Boston, MA

Est. 2025

EternalMonitor

EternalRichPresence

Exerly Fitness

Signature Cuts 413

Eternal2x

Eternal Summary

Rust

Swift

Metal

DXGI

SwiftUI

HealthKit

Next.js

TypeScript

Boston, MA

Est. 2025

[ PRODUCTS ]

What we build.

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IN DEV

EternalMonitor

v0.1.1-mirror

Use your iPad as a low-latency Windows display receiver. No dongle. No driver.

RustSwiftDXGIVideoToolboxMetal+3

Hardware H.264 encode · Metal render · mDNS zero-config

GitHub ↗Visit ↗Deep Dive →

LIVE

EternalRichPresence

v1.0.0-beta

Discord Rich Presence for Apple Music & Spotify. Live cover art. Zero friction.

Pythonpywin32pypresenceCOM/SMTCPyInstaller

SMTC bridge · custom URI scheme · portable .exe

GitHub ↗Visit ↗Deep Dive →

IN DEV

Exerly Fitness

Cross-platform fitness companion built for people serious about their training.

SwiftUIHealthKitReactTypeScriptNode.js+2

SwiftUI + HealthKit · Gemini 2.0 Flash AI · shared monorepo API

GitHub ↗Visit ↗Deep Dive →

LIVE

Signature Cuts 413

Modern barbershop booking. No app download. No friction.

Next.jsTailwindSMS BookingStatic Site

SMS deep-link booking · mobile-first · zero backend

Visit ↗Deep Dive →

LIVE

Eternal2x

v0.2.0

DaVinci Resolve smart upscale. Skip the dead frames. Render only what moved.

PythonLuaOpenCVFFmpegDaVinci Resolve API

Motion-aware upscale · DaVinci Lua hooks · 4K via FFmpeg

GitHub ↗Visit ↗Deep Dive →

LIVE

Eternal Summary

v1.0.0

One-click AI summary for any webpage. Minimal Chrome extension. No friction.

JavaScriptChrome Extensions APINode.jsExpressDocker+2

MV3 extension · Fly.io broker · streaming summary

GitHub ↗Visit ↗Deep Dive →

[ TECH STACK ]

The stack behind the studio.

Systems

RustSwiftMetalDXGIVideoToolboxH.264FFmpegOpenCVLuaUDPmDNS

Web

Next.jsReactTypeScriptNode.jsExpressTailwind CSS

Mobile

SwiftUIHealthKit

Desktop

PyInstallerCOM/SMTCChrome MV3

Data & Infra

MongoDBDigitalOceanFly.ioDockerGemini AIFormspree

[ PHILOSOPHY ]

"We got tired of mediocre tools. Software that ships half-baked, bloated with features nobody asked for. We decided to stop complaining and start building."

Eternal Reverse exists because the best software comes from people obsessed with the craft, not the metrics. We stay indie because independence is what lets us make these choices.

Read our story →

[ THE TEAM ]

The engineers shipping the work. Open a dossier →