Free Ona alternatives: 5 apps ranked by verified data

Facts checked Nov 8, 2026AppBreakup editorialHow we rank

5 of the 6 Ona alternatives we track can be used for free (free, open source, or with a free plan). OpenAI Codex, Devin and Jules rank highest, with facts last verified Nov 8, 2026.

Ona has been acquired. Joined OpenAI's Codex team; the deal closed on 10 August 2026, according to Ona's blog. Ona's docs say new customer signups are closed.

Quick comparison

#	App	Pricing	Verified price	Open source	Platforms	Verified facts	Score
1	OpenAI Codex	Free plan + paid	$8 per month (ChatGPT Go)	No	Web, macOS, Windows +2	9 of 9	83.8
2	Devin	Free plan + paid	$20 a month (Pro)	No	Web, macOS, Windows +1	7 of 7	64.8
3	Jules	Free plan + paid	—	No	Web	4 of 4	59.4
4	Coder	Open source	—	No	Self-hosted, Web	4 of 4	50.0
5	GitHub Codespaces	Free plan + paid	$0.18 per hour (2-core compute)	No	Web, Windows, macOS +1	7 of 7	49.0

1. OpenAI CodexTop pick
Best for: ChatGPT subscribers who want a local and cloud coding agent without another bill
Free plan + paidWeb, macOS, Windows, Linux, iOS
83.8
score / 100
Why switch from Ona
Where Ona's team went: OpenAI's cloud coding agent, available to new customers through ChatGPT plans.
Pros
Included with ChatGPT plans, including a limited free tier
Same agent locally and in cloud sandboxes
Open-source CLI that can be scripted in CI
Cons
Only uses OpenAI's models
Usage limits are shared with other ChatGPT features
Cloud tasks need your repo connected to OpenAI
Visit OpenAI Codex Details and reviews
How this score is calculated
Editorial fit ×0.3100
Reviews ×0.363
Clicks (90 days) ×0.15100
Freshness ×0.15100
Votes ×0.150
0 counted reviews, 0 up and 0 down votes. Full formula
Is OpenAI Codex a good Ona alternative?
Verified facts
9 of 9 verified
Included with
ChatGPT Free, Go, Plus, Pro, Business, Edu, Enterprise
Checked Nov 8, 2026developers.openai.com(opens source in a new tab)
Plus plan
$20 per month
Checked Nov 8, 2026developers.openai.com(opens source in a new tab)
Pro plans
$100, $200 or $500 per month
Checked Nov 8, 2026developers.openai.com(opens source in a new tab)
IDE support
VS Code and forks, JetBrains, Xcode
Checked Nov 8, 2026developers.openai.com(opens source in a new tab)
CI automation
codex exec
Checked Nov 8, 2026developers.openai.com(opens source in a new tab)
Free plan
Yes
Checked Nov 8, 2026developers.openai.com(opens source in a new tab)
Starting price
$8 per month (ChatGPT Go)
Checked Nov 8, 2026developers.openai.com(opens source in a new tab)
Pro plan
$100, $200 or $500 per month
Checked Nov 8, 2026developers.openai.com(opens source in a new tab)
Business plan
$20 per user/month billed annually, $25 monthly
Checked Nov 8, 2026developers.openai.com(opens source in a new tab)
2. Devin
Best for: Teams that want to delegate well-scoped tickets to a cloud agent and review the PRs
Free plan + paidWeb, macOS, Windows, Linux
64.8
score / 100
Why switch from Ona
Autonomous cloud software engineer that takes tickets and returns pull requests, open to new teams.
Pros
Takes tasks straight from Slack, Linear or Jira
Cloud agents plus local desktop and CLI tools
Free plan to try it before paying
Cons
Works best on clearly scoped tasks
Team pricing adds a base fee on top of seats
Usage beyond quotas is billed at API rates
Visit Devin Details and reviews
How this score is calculated
Editorial fit ×0.387
Reviews ×0.363
Clicks (90 days) ×0.150
Freshness ×0.15100
Votes ×0.150
0 counted reviews, 0 up and 0 down votes. Full formula
Is Devin a good Ona alternative?
Verified facts
7 of 7 verified
Free plan
Yes, light agent quota
Checked Nov 8, 2026devin.ai(opens source in a new tab)
Pro plan
$20 per month
Checked Nov 8, 2026devin.ai(opens source in a new tab)
Team plan
$80/month plus $40 per dev seat
Checked Nov 8, 2026devin.ai(opens source in a new tab)
Integrations
Slack, Teams, GitHub, GitLab, Linear, Jira
Checked Nov 8, 2026docs.devin.ai(opens source in a new tab)
Starting price
$20 a month (Pro)
Checked Nov 8, 2026devin.ai(opens source in a new tab)
Max plan
$200 a month
Checked Nov 8, 2026devin.ai(opens source in a new tab)
Teams plan
$80 a month plus $40 per dev seat
Checked Nov 8, 2026devin.ai(opens source in a new tab)
3. Jules
Best for: GitHub users who want to offload routine coding chores to a background agent
Free plan + paidWeb
59.4
score / 100
Why switch from Ona
Asynchronous coding agent that works on GitHub repos in Google-hosted VMs, with a free tier.
Pros
Free plan with daily tasks
Shows a plan for approval before changing code
Assign work via a GitHub issue label
Cons
Works with GitHub repositories only
Paid tiers limited to personal Google accounts
Less suited to interactive, back-and-forth coding
Visit Jules Details and reviews
How this score is calculated
Editorial fit ×0.369
Reviews ×0.363
Clicks (90 days) ×0.150
Freshness ×0.15100
Votes ×0.150
0 counted reviews, 0 up and 0 down votes. Full formula
Is Jules a good Ona alternative?
Verified facts
4 of 4 verified
Free plan
15 tasks per day, 3 concurrent
Checked Nov 8, 2026jules.google(opens source in a new tab)
Pro limits
100 daily tasks
Checked Nov 8, 2026jules.google(opens source in a new tab)
Paid access
Via Google AI Pro and Ultra plans
Checked Nov 8, 2026jules.google(opens source in a new tab)
GitHub
Assign with a jules label on issues
Checked Nov 8, 2026jules.google(opens source in a new tab)
4. Coder
Best for: Platform teams that need governed, self-hosted dev environments for developers and AI agents
Open sourceSelf-hosted, Web
50.0
score / 100
Why switch from Ona
Self-hosted cloud dev environments that also host AI agents, closest to Gitpod's original model.
Pros
Free open-source Community edition with unlimited workspaces
Runs on your own cloud or on-premises infrastructure
Works with VS Code, JetBrains, Cursor, Jupyter and web IDEs
Templates as code keep environments consistent
Cons
You must deploy and operate the Coder server yourself
Audit logs, quotas and multi-org controls need a paid tier
Paid pricing is quote-based rather than published
Visit Coder Details and reviews
How this score is calculated
Editorial fit ×0.338
Reviews ×0.363
Clicks (90 days) ×0.150
Freshness ×0.15100
Votes ×0.150
0 counted reviews, 0 up and 0 down votes. Full formula
Is Coder a good Ona alternative?
Verified facts
4 of 4 verified
License
AGPL-3.0
Checked Oct 30, 2026github.com(opens source in a new tab)
Free plan
Community edition
Checked Nov 8, 2026coder.com(opens source in a new tab)
Self-hosting
Yes
Checked Nov 8, 2026coder.com(opens source in a new tab)
IDE support
VS Code, JetBrains, Cursor, Jupyter
Checked Nov 8, 2026coder.com(opens source in a new tab)
5. GitHub Codespaces
Best for: Teams and maintainers who want identical, instant dev environments for GitHub repos
Free plan + paidWeb, Windows, macOS, Linux
49.0
score / 100
Why switch from Ona
Managed cloud dev environments built into GitHub, a direct replacement for classic Gitpod workspaces.
Pros
Repeatable environments defined in the repo
Works from a browser, VS Code or JetBrains IDEs
Free monthly quota for personal accounts
Cons
Only for repositories on GitHub
Usage-based costs add up if left running
Needs a reliable internet connection
Visit GitHub Codespaces Details and reviews
How this score is calculated
Editorial fit ×0.334
Reviews ×0.363
Clicks (90 days) ×0.150
Freshness ×0.15100
Votes ×0.150
0 counted reviews, 0 up and 0 down votes. Full formula
Is GitHub Codespaces a good Ona alternative?
Verified facts
7 of 7 verified
Free quota (personal)
120 compute hours, 15 GB-month storage
Checked Nov 8, 2026docs.github.com(opens source in a new tab)
Compute price
From $0.18/hour (2-core)
Checked Nov 8, 2026docs.github.com(opens source in a new tab)
Organisation plans
No free quota
Checked Nov 8, 2026docs.github.com(opens source in a new tab)
Hosting
Docker container on a GitHub VM
Checked Nov 8, 2026docs.github.com(opens source in a new tab)
Starting price
$0.18 per hour (2-core compute)
Checked Nov 8, 2026docs.github.com(opens source in a new tab)
Storage price
$0.07 per GB-month
Checked Nov 8, 2026docs.github.com(opens source in a new tab)
Free plan
Yes, 120 hours and 15 GB-month (personal)
Checked Nov 8, 2026docs.github.com(opens source in a new tab)

Quick comparison

1. OpenAI CodexTop pick

Pros

Cons

Verified facts

2. Devin

Pros

Cons

Verified facts

3. Jules

Pros

Cons

Verified facts

4. Coder

Pros

Cons

Verified facts

5. GitHub Codespaces

Pros

Cons

Verified facts