Alternatives to Teammately

Spool turns your team's AI agent sessions into a shared, searchable library you can read, publish, and resume.

Agent evaluation platform that simulates voice and chat agents, traces production, and scores hallucinations before your customers hit them

LangSmith is agent and LLM observability from the LangChain team: trace, monitor, evaluate, and deploy AI agents.

Synth is a research workbench and hosted compute for optimizing coding agents with reproducible, evidence-backed evals.

Local, MIT-licensed token usage and cost tracking for AI coding agents — reads the logs your agents already write.

Accordion is a free, MIT-licensed pi extension that shows your coding agent's entire context window as blocks you can fold, unfold, and steer.

Arena AI ranks chat models and coding agents on live head-to-head human votes and real agent sessions.

AgentNotch streams live Claude Code and Codex token and cost telemetry into your Mac's notch

Open-source benchmark that scores AI agents on real, multi-step software-company work tasks.

AppWorld benchmarks interactive coding agents on 750 multi-app tasks across 457 APIs.

FFMPerative Outrider turns AI research into review-ready draft pull requests matched to your codebase, then measures whether they helped.

OpenJudge is an Apache 2.0 open-source AI evaluation framework shipping 50+ benchmark-validated graders for agents, LLMs, code, math, and multimodal models.

Comet's Opik brings LLM observability and evaluation that turns agent traces into code fixes

Galileo turns offline AI evals into production guardrails for agents and RAG pipelines.

Conan is a native macOS HUD for Claude Code that streams every prompt, tool call, skill and token live as the session runs.

Open-source Python library that turns vibe checks into reproducible evaluation loops for RAG pipelines and AI agents.

Kiln is a local-first AI workbench for building, evaluating, optimizing, and fine-tuning AI systems on your own machine.

Patronus AI builds RL environments and training data so frontier agents learn judgment on the job

OpenCode Bar tracks AI coding quota windows, spend, and burn pace from your macOS menu bar

PandaProbe is open-source agent observability that traces runs, evaluates outcomes, and turns failures into validated fixes via its Repair

CodeClash benchmarks goal-oriented software engineering by making AI models build and evolve codebases to win 15-round arena tournaments.

Open-source collaboration layer that turns domain expertise into AI agent test suites

Open-source LLM observability: trace agents, manage prompts, and run evals on one MIT-licensed platform.

Nebuly turns the conversations employees and customers have with your AI agents into adoption, fluency and ROI numbers for enterprise leaders.

Open-source LLM observability and agent evaluation you can trace, self-host, and eval end to end.

LangWatch is an open-source LLMOps platform for agent testing, LLM evaluation and OpenTelemetry-native LLM observability.

Open source AI engineering platform for agent and LLM tracing, evaluation, prompt management, and ML lifecycle work.

Maxim AI simulates, evaluates and observes AI agents — with Bifrost, its open-source LLM gateway, for routing and guardrails.

Braintrust traces agent runs, scores them with evals, and surfaces production failure patterns before they ship.

Respan routes every agent run through one LLM gateway, then traces and evaluates it with production evals.