Head-to-head · Cryptocurrency Exchange Software
OPEX Core vs GitHub CodeQL
OPEX Core leads on 0 checks, GitHub CodeQL on 0, and 2 are even. Who comes out ahead on the 2 yes/no, price and count checks where we have data for both products. The editor score weighs everything else too.
Our verdict
- Highest scoreOPEX Core · 8.0/10
- Free planboth
- Most featuresOPEX Core · 1 of 3
OPEX Core scores higher on our rubric for cryptocurrency exchange software: 8.0 against 3.0 out of 10; our editors rank them #3 and #6.
OPEX Core is the better fit for teams building a self-hosted exchange backend. GitHub CodeQL is the better fit for development teams securing source code.
- OPEX Core fits best
Teams building a self-hosted exchange backend
- GitHub CodeQL fits best
Development teams securing source code
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Side by side
| Feature | OPEX Core 8.0/10 Visit ↗ | GitHub CodeQL 3.0/10 Visit ↗ |
|---|---|---|
| At a glance | ||
| Editor score | 8.0 | 3.0 |
| Ranking | #3 in Cryptocurrency Exchange Software | #6 in Cryptocurrency Exchange Software |
| Best for | Teams building a self-hosted exchange backend | Development teams securing source code |
| Pricing model | Free | Free plan + paid |
| Starting price | Free plan | $30/user/mo |
| Free plan | ✓ | ✓ |
| Free trial | — | — |
| Deployment | Self-hosted | Cloud, Desktop |
| Built for | Mid-market, Enterprise | Small business, Mid-market, Enterprise |
| Features OPEX Core 1/3 · GitHub CodeQL 0/3 | ||
| Advanced order types | Not checked yet | Not checked yet |
| Fiat currency support | ✓ (best) | Not checked yet |
| White-label platform | Not checked yet | Not checked yet |
| Specs | ||
| Deployment model | Self-hosted | Not checked yet |
| Exchange type | Centralized | Not checked yet |
| Custody model | Custodial | Not checked yet |
| Our review | ||
| Pros |
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| Cons |
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| Our verdict | OPEX Core is an open-source backend and matching engine for teams building a centralized cryptocurrency exchange. Its components cover matching, user and account management, wallets, KYC workflows, and deposit and withdrawal processes. The… Read the review → |
GitHub CodeQL is a semantic static-analysis engine that treats source code as data. It builds a database representation of a codebase and runs queries to detect vulnerabilities, errors, data-flow issues, and taint flows. Development teams… Read the review → |
Strengths and trade-offs
OPEX Core — where it wins
- Covers matching, user accounts, wallets, and exchange workflows
- Supports hot and cold wallets, deposits, and withdrawals
- Offers REST and WebSocket APIs with blockchain and fiat connectors
Where it doesn't
- Requires operators to configure and host the services themselves
- Focuses on backend infrastructure rather than a hosted exchange platform
- No named third-party integrations are specified
GitHub CodeQL — where it wins
- Semantic and data-flow analysis identifies vulnerabilities and errors
- Custom queries plus standard query and library packs
- Pull-request alerts through GitHub Actions, CI/CD and VS Code
Where it doesn't
- Not designed to run cryptocurrency exchange operations
- Commercial private-repository use requires GitHub security licensing
- Support channel is limited to documentation
- OPEX Core8.0/10 · Free plan
A self-hosted, modular backend for teams building a centralized cryptocurrency exchange.
Visit OPEXFull verdict → - GitHub CodeQL3.0/10 · Free plan
A source-code security engine, not software for operating a cryptocurrency exchange.
Visit GitHub CodeQLFull verdict →
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- Open Exchange vs GitHub CodeQL
- Clarisco White Label Crypto Exchange vs GitHub CodeQL
All cryptocurrency exchange software comparisons → · Full ranking →
Reviewed by iTechGuides Editors · Editorial team · Updated Oct 2026
Last updated · How we research and update


