FrontierAgent
Open-source agent runtime and terminal app for long-horizon research and file work, with single-agent ReAct and parallel agent-team modes.
✨ Try AgentScout's free AI image generator →Good for: coding in the terminal, building AI agents, research, deploying and hosting agents, open-source agents
Use cases
About FrontierAgent
FrontierAgent is listed in our frameworks category and is aimed at builders. Open-source agent runtime and terminal app for long-horizon research and file work, with single-agent ReAct and parallel agent-team modes. Pricing, as the maker states it: Open source. Maturity: Mature. We last checked the official link on 2026-10-18.
FrontierAgent ratings and reviews
FrontierAgent alternatives
Other frameworks tools in our directory. See all frameworks tools →
assistant-ui
Open-source React components and runtimes for building AI chat and agent front ends with streaming, tools and persistence.
Docker Agent
Docker's agent builder and runtime for defining and running agents.
TrueForge
Open-source agent harness runtime that turns an LLM into a working agent.
II-Agent
Open-source AI agent for real work from Intelligent Internet that you can run, fork and extend with your own API keys.
Hermes Agent (Nous Research)
Open-source agent harness; v0.21.7 stable shipped Oct 12, v0.22.0 RCs Oct 13-14.
Dagu
Self-hostable workflow orchestrator with a simple definition format and web UI, usable for agent jobs.
Related lists
🏆 Ranked in: Hermes Agent (Nous Research) alternatives · OpenHuman alternatives
💲 Estimate API cost: compare per-request and monthly costs for GPT, Claude, Gemini and Grok models.
Badge for makers
Built FrontierAgent? Add this badge to your README or site. It links back to this page. About badges
