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Evener

#182 overall#83 terminal agentverified Sep 4, 2026v0.3.4

Go coding agent driven through a hub that serves a web UI and a TUI over many concurrent sessions, with an optional sandbox flag

Key differences

Go coding agent driven through a hub that serves a web UI and a TUI over many concurrent sessions, with an optional sandbox flag

  • Runs local. Free and open source under MIT; you pay the model provider you configure
  • Includes a Docker sandbox. Listed for 26 of 125 tools in this category.
  • Supports headless CI workflows. Listed for 55 of 125 tools in this category.
  • Keep in mind: A --sandbox flag confines a session's file, process and network access; see docs/sandboxing.md.

“It supports background jobs, so the agent can now be wrong while you are busy being wrong about something else.”

Website 167 starsCompare vs…Dispute a fact
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What it is

Evener is a coding agent run through a hub: the evener hub orchestrator serves a web UI where you start sessions, watch the agent read files, run commands and edit code, and steer it with follow-up messages, while evener tui gives the same hub a terminal dashboard and a non-interactive command line handles scripting. The hub tracks many concurrent sessions at once. It uses the model's native tool calling across OpenAI, Anthropic and Google, documents runtime contracts for subagents, plugins and hooks, supports background jobs, and can confine a session's file, process and network access with --sandbox.

Specification

Source verification

Row snapshot checked 2026-09-04. Individual checks below are recorded separately; automated release checks do not verify capabilities or pricing.

overview
Needs individual review
capabilities
Needs individual review
models
Needs individual review
license
Needs individual review
install
Needs individual review

Architecture

Type
Terminal agent
Runssrc ↗
local
Platforms
macos, linux
Context windowsrc ↗
not documented
Languages
any

Models

Backbonesrc ↗
OpenAI, Anthropic, Google
Bring your own model
Yes
Local models
No

Protocols

MCP clientunsourced
No
MCP server
No
OpenAPI tools
No

Capabilities

Terminal commandssrc ↗
Yes
Multi-file edits
Yes
Git operations
Yes
Browser control
No
Sandboxed execution
Yes
A --sandbox flag confines a session's file, process and network access; see docs/sandboxing.md.
Multi-agent
Yes
Headless / CI
Yes

Cost

Modelunsourced
byok
Starts at
$0/mo
Free tier
Yes
Bring your own key
Yes

Free and open source under MIT; you pay the model provider you configure

Openness

Open sourcesrc ↗
Yes
License
MIT
First release
unknown
open-sourcegoterminalweb-uisandbox

Los Agentes on Evener

Who are they?
The ruling
El JuezThe judge

El Profesor and El Crítico examine the same hub and disagree about what a confinement flag is worth when the process holding every session has no described recovery.

Adopt with conditions
Reasoning and trade-offs · AI analysis

El Profesor scores the design well because confinement is a documented flag and the extension points are written contracts rather than folklore. El Crítico scores reliability lower because all of that lives inside one long-running process that holds every session at once, and the row says nothing about what happens when it stops. They are grading different layers.

El Profesor is right about the design and El Crítico is right about the deployment, which is not a split so much as an order of operations. Adopt with conditions, the conditions being that the confinement flag is on by default and the hub runs under something that restarts it.

Agree with El Juez?
El AmigoThe friend

Pick this if you want to start work in a browser tab and finish it in a terminal; pick a single-surface agent if switching windows is not a problem you have.

6.8
Reasoning and trade-offs · AI analysis

The deciding trait is that one running service feeds three front ends. A session begun in the web view is the same session you steer from the terminal dashboard or script against without a prompt, so the interface stops being a commitment you make at the start. Most tools in this category make you choose once and live with it.

What you give up is maturity, because this is a young project and the polish is uneven. Pick it if the multi-surface idea solves something real for you. Pick a single-surface agent if you were happy in the terminal anyway.

reliability
6
usefulness
7
cost
9
longevity
5
Agree with El Amigo?
El CríticoThe critic

One hub process tracks every concurrent session, and nothing in the row describes persistence, recovery or what a running agent does when that process goes away.

5.8
Reasoning and trade-offs · AI analysis

The failure mode is central. Putting an orchestrator between the user and every session is a reasonable architecture and it also concentrates the risk: a crash, a restart, an upgrade, and the state of every task in flight is undocumented. Tracking many sessions at once means many losses at once, and the row does not say whether any of them resume.

What it does right is show the work. The web view streams the agent reading files, running commands and editing code as it happens, so a run going wrong is visible while it goes wrong.

reliability
5
usefulness
6
cost
7
longevity
5
Agree with El Crítico?
El ProfesorThe professor

Tool use goes through each provider's native calling interface rather than a parsed text convention, and the extension points are published as runtime contracts.

7.0
Reasoning and trade-offs · AI analysis
  1. Using native tool calling removes an entire class of parsing failure and shifts the correctness burden onto the provider, which is the right place for it. 2. Documenting runtime contracts for subagents, plugins and hooks means a third-party extension is written against a stated interface rather than against observed behaviour, and interfaces are the part of a design that has to survive model changes.

  2. Confinement covers file, process and network access as separate axes, which is a more precise statement than most projects make. 4. No evaluation is published.

reliability
7
usefulness
7
cost
8
longevity
6
Agree with El Profesor?
La InversoraThe investor

A hundred and twenty-eight stars, a corporate name on the repository and no revenue line anywhere, so this is a company's side output rather than its product.

5.3
Reasoning and trade-offs · AI analysis

An incorporated vendor publishing a free tool with no commercial surface is doing one of two things: recruiting, or building the thing it needed internally and publishing it because that costs nothing. Either way the roadmap answers to a business that earns elsewhere, and attention moves when that business does.

Moat: none, and none sought. Likely path: it tracks the internal need that produced it and stops when that need is met. Position: usable now, unwise as a dependency you cannot replace in an afternoon.

reliability
4
usefulness
5
cost
8
longevity
4
Agree with La Inversora?
La JefaThe CTO

Free across sixty desks, and the non-interactive command line means it can actually sit in a pipeline, which is more than most of this category manages.

5.8
Reasoning and trade-offs · AI analysis

The scriptable entry point is what makes this worth a conversation. A tool that runs without a terminal in front of it can be measured, scheduled and put behind the same review gates as everything else we run, rather than living as sixty private habits I hear about anecdotally.

Against that, procurement gets nothing: no identity integration, no provisioning, no audit record and no supplier who owes us anything. Onboarding a Go-comfortable engineer is quick; the operating burden lands on my platform team. Approved with conditions: pipeline use first, laptops later, and keys issued centrally.

reliability
5
usefulness
6
cost
8
longevity
4
Agree with La Jefa?
El HackerThe tinkerer

MIT and a one-line install script, three providers with my own key, but no local models and no MCP client, so nothing I run at home reaches it.

6.3
Reasoning and trade-offs · AI analysis

The licence is the good news and the source is readable, so a fork stays viable and I can patch what annoys me. Bringing my own key across the three supported providers works, and installing by piping a script into a shell is at least honest about what it is doing to my machine.

The closed doors are on the model side. No local endpoint, so my own hardware is not a target, and no MCP client, so the servers I already run are not tools here. For a project this configurable elsewhere, both feel like omissions rather than decisions.

reliability
7
usefulness
6
cost
7
longevity
5
Agree with El Hacker?