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Open QBCore hubQBCore vs ESX vs QBOX — Which FiveM Framework Should You Pick?
Three FiveM frameworks dominate roleplay server development in 2026: QBCore (the most-used community framework), ESX (the original, still widely deployed), and QBOX (the modern QBCore fork built around ox_lib and ox_inventory). Picking a framework decides which scripts you can buy, which tutorials apply, and how easily you'll find developers when you need them. This comparison covers every factor that should drive that decision.
Side-by-Side Comparison
| Feature | QBCore | ESX | QBOX |
|---|---|---|---|
| First released | 2021 (active) | 2018 (active) | 2024 (active) |
| License | GPLv3 | MIT | GPLv3 |
| Premium script ecosystem | Largest | Large | Growing fast |
| Free script ecosystem | Largest | Large | Growing |
| Default inventory | qb-inventory (replaceable) | es_extended | ox_inventory |
| Default UI / HUD | qb-hud (modular) | esx-legacy / qb-hud | ox_lib menus |
| Performance | Good | Good (legacy is heavy) | Best (ox_lib stack) |
| Learning curve | Medium | Easiest (most tutorials) | Steeper (modern stack) |
| Documentation | Comprehensive | Most complete | Growing |
| Active development | Yes | Yes (esx-legacy) | Yes (most active) |
| Migration path | From ESX (well-documented) | — | From QBCore (drop-in) |
| Best for | Most production servers | Existing ESX servers, hobby projects | New servers in 2026 |
Script Ecosystem — Where Most Decisions Get Made
QBCore has the largest premium script ecosystem in 2026 — count the listings on any FiveM marketplace and QBCore wins. ESX is a close second; many older premium scripts are ESX-only or ESX-first with QBCore ports. QBOX is the youngest and has fewer native scripts, but because it's a QBCore fork built around ox_lib / ox_inventory, most QBCore scripts work on QBOX with minor or no changes. If your script choice is the deciding factor, both QBCore and QBOX are essentially equivalent — pick QBOX for the more modern foundation.
Performance — QBOX Wins, ESX Legacy Loses
QBOX is the best-performing of the three because it standardizes on ox_lib, ox_inventory, and ox_target — a stack engineered specifically for low resource cost on FiveM. QBCore's default inventory (qb-inventory) is heavier; most production QBCore servers swap to ox_inventory anyway, narrowing the gap. ESX-legacy is the heaviest of the three by default; modernizing it requires the same ox_lib swap most QBCore servers already make. If you start with QBOX, you start at the optimization end-state.
Learning Curve & Documentation
ESX has the most tutorials online — 6+ years of community content covers nearly every common task. QBCore documentation is comprehensive and modern; the official docs site is the reference standard. QBOX docs are growing but lean on QBCore knowledge for anything not framework-specific. For someone who has never run a FiveM server, ESX or QBCore are easier starting points; QBOX is the better long-term investment if you're prepared to read modern docs and use ox_lib idioms.
Active Development
All three frameworks are actively developed in 2026. QBOX moves fastest — it's the newest, has clear architectural goals, and ships breaking improvements at a higher rate. QBCore is stable and well-maintained. ESX has split into esx-legacy (current active fork) and several older variants (esx-1.2, esx-extended, etc.) — sticking with esx-legacy is the right choice if you're on ESX in 2026.
Migration Paths
ESX → QBCore is a well-documented migration; many guides exist for converting jobs, items, and player data. QBCore → QBOX is essentially a drop-in upgrade because QBOX is a QBCore fork — most scripts run unchanged. ESX → QBOX is a two-step migration: ESX → QBCore, then QBCore → QBOX. There's no first-class ESX → QBOX path. If you're considering migration, plan for the QBOX target if you're on QBCore, and plan for QBCore-then-QBOX if you're on ESX.
Verdict
Starting a new server in 2026? Pick QBOX. It has the most modern foundation, the best out-of-the-box performance, and the path forward most active developers are taking. Already running QBCore? Stay on QBCore unless you want to invest in a migration — your scripts work, your community is trained, and the gap to QBOX in real-world server feel is small. Already running ESX? Plan a QBCore migration in 2026 unless you're a hobby server — the script gap will keep widening over the next 2 years.
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View bundlesFrequently Asked Questions
Is QBOX really better than QBCore?
QBOX is more modern and better-optimized out of the box, but QBCore has a larger script ecosystem and more tutorials. For new servers in 2026, QBOX is the better starting point. For existing QBCore servers, the migration cost rarely justifies the upgrade unless you're already replatforming.
Can QBOX run QBCore scripts?
Yes, most QBCore scripts run on QBOX with little or no modification because QBOX is a QBCore fork. Some scripts that depend on qb-inventory specifically may need to be adapted to ox_inventory, but well-written modern scripts already use ox_inventory and work seamlessly.
Is ESX dead?
No. ESX is still actively maintained as esx-legacy, and many production servers run ESX successfully in 2026. The script ecosystem is shrinking relative to QBCore/QBOX, but ESX is still a viable choice for hobby servers and existing ESX-based communities.
Which framework has the most free scripts?
QBCore has the largest free script ecosystem in 2026, followed closely by ESX. QBOX inherits most QBCore community scripts. Browse our Free FiveM Mods catalog filtered by framework to see what's available for each.
How hard is migrating from ESX to QBCore?
It's a significant project — typically 2-6 weeks for a production server depending on script count and customizations. Most premium scripts have dedicated ESX and QBCore versions, but custom code, jobs, and player data require manual migration. Budget for at least one developer week per 20 active scripts.