Dev tools · alternatives · 2026
24 alternatives to Contus Fly - Audio & Video Call API
Integrate Voice & Video Calling API & SDK’s
Below are 24 products that do a similar job, ranked by how close each is in meaning and then by launch-day votes. Contus Fly - Audio & Video Call API launched in 2018; newer entries below may have overtaken it.
- 1

Contus Fly + Web Real-time Communication
2018 · contus.com · its alternatives →
- 2

Building in-app communication made easy
2022 · mirrorfly.com · its alternatives →
- 3

Quickstart | SDK's / API Support | 3rd Party Integration
2017 · contus.com · its alternatives →
- 4

- 5

A Self-hosted Audio, Video & Web Conferencing Solution
2022 · its alternatives →
- 6
Sendbird Calls▲294High-quality voice and video calls inside your app
2020 · sendbird.com · its alternatives →
- 7

Contus Mirrorfly "TwinModel"- What Businesses Ought to Know
2019 · play.google.com · its alternatives →
- 8

Integrate into your product within minutes
2023 · cloudflare.com · its alternatives →
- 9
ChatSonic▲656Like ChatGPT but with real-time data, images & voice search
2022 · writesonic.com · its alternatives →
- 10
Sendbird 3.0▲319Fully customizable chat, voice & video APIs for your app 🐦
2017 · sendbird.com · its alternatives →
- 11
Confrere▲263Professional video calling. No downloads. Just a link.
2018 · confrere.com · its alternatives →
- 12

Talking face-to-face with your team is just one click away
2016 · slack.com · its alternatives →
- 13

Connect with your customers through different messaging apps
2016 · bird.com · its alternatives →
- 14

Co-working video chat, now available for iOS
2014 · apps.apple.com · its alternatives →
- 15
Botsonic▲605Build custom ChatGPT-like chatbot for your website instantly
2023 · botsonic.com · its alternatives →
- 16IB
Hi HN, I built this out of frustration of the evergrowing list of AI models and features to try and to fit my workflow. The visual approach clicks for me so i went with it, it provides more freedom and control of the outcome, because predictable results and increased productivity is what I’m after when using conversational AI. The app is packed with features, my most used are prompt library, voice input and text search, narration is useful too. The app is local-first and works right in the browser, no sign up needed and it's absolutely free to try. BYOAK – bring your own API Keys. Let me…
2024 · grafychat.com · its alternatives →
- 17

- 18
The New ChatGPT▲361ChatGPT can now see, hear, speak, and access the internet
2023 · openai.com · its alternatives →
- 19

- 20

Hey HN, we've been working with OpenAI for the past few months on the new Realtime API. The goal is to give everyone access to the same stack that underpins Advanced Voice in the ChatGPT app. Under the hood it works like this: - A user's speech is captured by a LiveKit client SDK in the ChatGPT app - Their speech is streamed using WebRTC to OpenAI’s voice agent - The agent relays the speech prompt over websocket to GPT-4o - GPT-4o runs inference and streams speech packets (over websocket) back to the agent - The agent relays generated speech using WebRTC back to the user’s device The…
2024 · github.com · its alternatives →
- 21
Video SDK▲173Add Google Meet like product, in just a few minutes 🔥
2021 · videosdk.live · its alternatives →
- 22

Voice Call Integration for Web and Mobile
2019 · mirrorfly.com · its alternatives →
- 23

- 24

Add voice and video calling via your coding agent
May 2026 · cometchat.com · its alternatives →
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Ranked by how close each launch is in meaning, then by votes. Prices were read from each product’s own site when checked and can change. Refine with your own description →