Sela

Sela — StudioApps & WebsitesEst. 2026

We build apps
& websites.

A two-person studio. We design and ship real products end to end — interface, engineering, the whole thing. A few we’ve built below.

Sasha ZeltsProduct Engineer
Liya KharitonovaProduct Designer

Selected Work

04 Projects / 2026
01Product · Web

Design → build · end to end

FluentAI website — dual subtitles for Netflix and YouTube

FluentAI

Dual subtitles that turn Netflix, YouTube & Disney+ into a language tutor — tap any word to translate it, hear it, and save it to a deck you’ll actually review.

Web AppBrowser ExtensionProduct Design
fluentai.pro Visit ↗
02Product · Web

Design → build · end to end

Acepe website — the agentic developer environment

Acepe

A native agentic developer environment — run Claude Code, Codex, Cursor & OpenCode locally, orchestrate parallel sessions, and ship from plan to PR.

Desktop AppDeveloper ToolEngineering
acepe.dev Visit ↗
03Product · Web

Design → build · end to end

Luminar website — any video or page, clear in seconds

Luminar

Turns any YouTube video or readable page into a clear, scannable editorial summary with diagrams — right where you watch or read, in one click.

Browser ExtensionWeb AppProduct Design
useluminar.com Visit ↗
04Product · Web

Design → build · end to end

Onie website — a public feed of agent workflows from practitioners

Onie

A public feed of agent workflows from people doing the work — each post documents what they run, how it’s wired, and which tools it depends on, tagged by discipline and stack.

Web AppCommunityProduct Design
onie-web-production.up.railway.app Visit ↗

The Studio

Sela is two people, no handoffs — the ones who design it are the ones who build it. Apps, websites, and browser extensions, from blank page to shipped.

Sasha Zelts

Sasha Zelts

Product Engineer

Founder, FluentAI

Builds full-stack products end to end — TypeScript, React, Node, Python — from browser extensions to agentic dev tools. Founded FluentAI and is building Acepe. CS degree plus a machine-learning certificate from Israel Tech Challenge.

Liya Kharitonova

Liya Kharitonova

Product Designer

Co-founder, FluentAI

Shapes how the products look, feel, and reach people — leading product design and business development as co-founder of FluentAI and Acepe. Studied at Plekhanov University of Economics.

Let’s build yours.

sasha@fluentai.pro

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