Flexway is a free, open-source reverse proxy that lets infrastructure teams route, filter, and secure application traffic using no-code policy rules instead of config files.
flexway.org
Alternatives to
ANTLR
Best alternatives to ANTLR in 2026
ANTLR is "Complex full-featured framework for top-down parsing.". If you are looking for an alternative to ANTLR in 2026 — whether for pricing, features or compatibility reasons — mySelectas has curated the 17 best options available. The most popular alternatives include: Bison, Flex. All these solutions are listed in the Informatique category.
Quick comparison of ANTLR alternatives
| # | Tool | Best for | Price |
|---|---|---|---|
| 1 | Équipes infrastructure et DevOps gérant le routage et le filtrage du trafic applicatif à grande échelle | — | |
| 2 | Fondateurs, indie hackers, créateurs et marketeurs actifs sur X cherchant à répondre plus vite sans sonner robotique | — | |
| 3 | Engineering, product and finance teams at AI-native companies and usage-based SaaS businesses | — | |
| 4 | Développeurs | Chercheurs | — | |
| 5 | Développeurs | — | |
| 6 | Développeurs | — | |
| 7 | Développeurs | — | |
| 8 | Grand public | — | |
| 9 | Développeurs | Designers | — | |
| 10 | Développeurs | — | |
| 11 | Grand public | — | |
| 12 | Développeurs | — | |
| 13 | Développeurs | — | |
| 14 | Développeurs | — | |
| 15 | Grand public | — | |
| 16 | Développeurs | — | |
| 17 | Développeurs | — |
#1
- ✓ Interface no-code pour définir les règles de routage et de filtrage
- ✓ RBAC et logs d'audit intégrés pour la séparation des rôles
#2
A Chrome extension that drafts X (Twitter) replies in your own voice — including from a voice memo — so replying to conversations takes seconds instead of staring at a blank reply box.
bisonary.com
- ✓ Apprend le style d'écriture réel de l'utilisateur
- ✓ Dictée vocale pour répondre rapidement
#3
Open-source billing engine for usage-based and AI/agent pricing, with real-time metering, credits and automatic invoicing.
flexprice.io
- ✓ Open source and self-hostable, not locked to a closed SaaS
- ✓ Fast real-time metering (sub-60ms at high volume)
FAQ about ANTLR alternatives
- What is the best alternative to ANTLR in 2026?
- Based on our selection, Flexway is the best alternative to ANTLR in 2026. Flexway is a free, open-source reverse proxy that lets infrastructure teams route, filter, and secure application traffic using no-code policy rules instead of config files.. See our full ranking above to compare all options.
- Is ANTLR free?
- ANTLR is a paid tool. Several alternatives in our selection offer free or freemium versions.
- How many alternatives to ANTLR are there?
- mySelectas has listed 17 alternatives to ANTLR in the Informatique category. Our selection is updated regularly to include the best options available.