openobserve / openobserve

Open source observability platform for logs, metrics, traces, RUM (web, android, ios), Session replay, pipelines, SLO and LLM observability. A sophisticated, simple and highly performant alternative to Datadog, Splunk, and Elasticsearch with 140x lower storage costs and single binary deployment.

cobusgreyling / loop-engineering

Practical patterns, starters & CLI tools for loop engineering with AI coding agents. Design systems that prompt and orchestrate agents (inspired by Addy Osmani and Boris Cherny). Includes loop-audit, loop-init, loop-cost.

getagentseal / codeburn

Free, local tool to track AI coding token usage and cost across 37 tools and agents (Claude Code, Cursor, Codex, Gemini and more), by model, project, and task. npx codeburn

pastelsky / bundlephobia

🏋️ Find out the cost of adding a new frontend dependency to your project

mnfst / llm-gateway

Open Source LLM Gateway 🦚

BlockRunAI / ClawRouter

The agent-native LLM router for autonomous agents. Every frontier model behind one wallet, <1ms local routing, USDC payments on Base & Solana via x402.

Helicone / helicone

🧊 Open source LLM observability platform. One line of code to monitor, evaluate, and experiment. YC W23 🍓

vantage-sh / ec2instances.info

Amazon EC2 instance comparison site

parca-dev / parca

Continuous profiling for analysis of CPU and memory usage, down to the line number and throughout time. Saving infrastructure cost, improving performance, and increasing reliability.

zgsm-ai / costrict

Costrict - strict AI coder for enterprises, quality first, including AI Agent, AI CodeReview, AI Completion.

styfle / packagephobia

⚖️ Find the cost of adding a new dependency to your project

kunchenguid / axi

Design principles for agent ergonomics. Higher accuracy with lower token cost than both MCP and regular CLI.

guhcostan / mac-cleaner-cli

Free macOS CLI to clean disk space — caches, logs, Homebrew, Xcode. Open-source alternative to CleanMyMac

infracost / vscode-infracost

See cost estimates for Terraform right in your editor💰📉

towardsthecloud / cloudburn

Open-source policy engine that blocks bad AWS spending patterns before they ship and remediates what's already burning.

BitMiracle-AI / Dormice

The SQLite of agent sandboxes — self-hosted, E2B-compatible. One machine, sandboxes that live forever, idle costs nothing.

dirac-run / dirac

Coding Agent singularly focused efficiency and context curation. Reduces API costs by 50-80% vs other agent AND improves the code quality at the same time. Uses Hash Anchored edits, massively parallel operations, AST manipulation and many many other optimizations. https://dirac.run/

aws-solutions / dynamic-image-transformation-for-amazon-cloudfront

Transform, optimize, and deliver images in real time at a fraction of the cost.

ShaikhWarsi / free-ai-tools

Curated list of free and low cost AI tools, LLM APIs, IDEs, agents, and infrastructure for building real AI apps

datadrivenconstruction / OpenConstructionERP

Open-source construction ERP - BOQ, PDF/CAD/BIM takeoff, AI cost matching, 293 guided cases. 120,000+ priced positions, 44 languages, 190+ modules, cost data for 40+ markets. AGPL-3.0. pip install openconstructionerp

IgorShadurin / app.yumcut.com

YumCut - free AI video generator to turn a prompt into ready vertical videos for TikTok, Reels and YouTube Shorts. Auto script, scenes, voiceover, subtitles and watermark. Built with Next.js. Local-first pipeline + templates, batch rendering and API hooks for creators and indie makers. Self-hosted, FFmpeg-ready, multi-language output. Low cost fast

ruvnet / agentic-flow

Easily switch between alternative low-cost AI models in Claude Code/Agent SDK. For those comfortable using Claude agents and commands, it lets you take what you've created and deploy fully hosted agents for real business purposes. Use Claude Code to get the agent working, then deploy it in your favorite cloud.

tigicion / dao-code

Open-source TypeScript terminal coding agent for DeepSeek-V4 — builds on DeepSeek's strong price-performance and ultra-cheap cache pricing, engineering byte-stable prefixes and cache-reusing forks so cross-session memory and a continuous self-correction layer add almost no token cost; 1M context, Skills/MCP/Hooks, Claude Code config compatible.

ThinkWatchProject / ThinkWatch-Lite

Local gateway for Claude Code, Codex and other AI clients on macOS, Windows and Linux: switch upstreams without touching clients, keep API keys from relays, cut off malicious tool calls, trace every request.

comet-ml / opik-openclaw

🦞 Official plugin for OpenClaw that exports agent traces to Opik. See and monitor agent behaviour, cost, tokens, errors and more.

Kentucky-ai / opentakeoff

Open-source (AGPL-3.0) PDF takeoff for construction & flooring — the first engine an AI agent drives natively over MCP, not bolted on. Rooms measured on the wall faces, symbol sweeps, materials + quantities with full provenance, built for preconstruction. Runs entirely in your browser.

uppinote20 / claude-dashboard

Comprehensive status line plugin for Claude Code with context usage, API rate limits, and cost tracking

DeterminateSystems / magic-nix-cache-action

Save 30-50%+ of CI time without any effort or cost. Use Magic Nix Cache, a totally free and zero-configuration binary cache for Nix on GitHub Actions.

karanb192 / cache-tax

Keep Claude Code’s prompt cache warm during breaks and show the estimated cost before a cold send.

WizisCool / oh-my-cpa

Self-hosted control plane & usage observability console for CLIProxyAPI (CPA) — AI providers, client keys, streaming telemetry, and model cost snapshots.

acosta290 / fluvy

A premium theme and card library for Home Assistant: fifty-five cards, a light and dark theme in fifteen palettes, five automatic dashboards, a wall panel and kiosk mode for tablets, and a settings panel — one design for all of Home Assistant, installed through HACS

ihsan-ramadhan / bansos-router

Free, keyless coding models routed to every coding harness through one local endpoint. No accounts, no keys, no cost.

wsw669 / cclens

Claude Code 专属会话管理器：多会话统一管理 + AI 成本可视化仪表盘 + 会话摘要知识库。终端 CLI 与 VS Code 扩展双形态，流式解析会话日志，按模型/项目/日期归因成本并支持预算预警，会话退出自动生成结构化摘要沉淀知识。

estelwalks / aitracker

Open-source, local-first AI workspace that tracks tokens & spend across Claude Code, Codex, Cursor and more — and turns every session into reusable Skills and long-term memory. / 开源、本地优先的 AI 工作台：自动统计 Claude Code、Codex、Cursor 等工具的 Token 用量与花费，并把每次 AI 会话沉淀为可复用的 Skills 和长期记忆。

JerryZLiu / AgentPlayback

Are you running too few agents, or too many? AgentPlayback visualizes your coding agents so you can see when each one ran, when it was blocked on you, and what it cost.

blendbunjaku / optimaizr

Spend fewer tokens on the same work. A local CLI that finds wasted tokens in Claude Code, Codex, opencode and your own API calls.

scasella / claude-flightdeck

A Claude Code mod that puts a live agent dashboard in your terminal: context and cost, advisor timeline, every permission check, subagent cards and swimlanes.

Sev7eEn7 / dsh-sieve

dsh-sieve: context engineering & token optimization plugin for DeepSeek Harness (DSH) — tool output filtering, context pruning, progressive skill disclosure. 36% smaller payload in offline replay. DSH 上下文管理与 token 优化节省插件。

LuxAlgo / prop-firm-sim

Know your odds before you pay the fee: open-source Monte Carlo simulation of prop-firm challenges over each firm's exact ruleset. Pass probability, expected attempts and cost, EV, optimal risk sizing. Engine, CLI, and MCP server. Deterministic, zero telemetry. By LuxAlgo.

kenz1117 / dsh-ui-usage-billing

Usage billing dashboard plugin for DeepSeek Harness: sidebar cost metrics, real usage aggregation from session logs, current multi-provider pricing catalog

donvito / agent-monitor

Visualize your Codex and Claude Code subagents. Advanced traces view, tokens breakdown, and cost usage is also supported.

eengelking / podium

A live fleet console for Claude Code: every session, agent, plan, cost and context window in one browser tab.

ConiferKit / use-conifer

The Conifer SDK — one gateway for cloud, local, and BYOK inference, with exact per-call cost receipts. TypeScript + Python + MCP.

duqaXxX / seedeep

What Claude Code is doing between your prompt and its answer, drawn live from the logs it already writes: every model call, every tool, each subagent on its own context window and its own model, and what the session produced. Local and read-only — your session content never leaves the machine.

SergeevDmitry / llm-kit

Small, independent TypeScript packages for LLM plumbing — token budgets, streaming JSON repair, cost accounting, retries, embedding caches. No provider SDKs.

Zhenyu98 / dsh-context-doctor

DSH 上下文注入审计插件：统计 AGENTS.md 指令链/技能目录/工具 schema 的 token 成本，检测重复与冲突；Web UI 圆环面板 + context_audit 工具。Context Doctor for DeepSeek Harness: audit instruction-chain / skill catalog / tool schemas token cost.

yz3639-gif / rebalance-review

Compare ETF allocations with a browser-based research terminal: risk attribution, historical replay, cost scenarios and permission-aware reports.

Lizhenghe-Chen / BunnyChen-DailyCost

日耗仓 DailyCost Vault｜本地优先资产账本，不仅仅是计算日均成本，一键导入京东 / 淘宝 / Steam / 微信支付宝账单，数据完全保存在设备本地，帮你看清真实消费。

coreyryanhanson / pi-tbox

Unified surface to list, toggle, group, and focus tools from any Pi extension (including MCP), with active context-cost tracking. State persists in chat branches or as pinned baselines in settings.

Rianico / dsh-better-edit

Hash-anchored read/edit/undo_last_edit tools for DeepSeek Harness (dsh), fewer token consumption, lower cost.

rashidrazak / opencode-status-line

A live status line for OpenCode v2's terminal UI — context window, cache, streaming speed, cost, elapsed time and uncommitted changes in one configurable row.

telemetry-dev / telemetry

Trace AI applications and agents, and monitor token usage, cost, latency, and errors with OpenTelemetry.

nmdra / opencode-cache-stats

/cache-stats is a lightweight TUI plugin for opencode that displays the active session's cache statistics in a popup dialog. It provides the overall cache hit rate, a breakdown by model and subagent, and the associated costs, making it easy to understand cache performance at a glance.

ichris007 / taskflow

An action workbench for Obsidian Tasks that reduces decision cost and helps you start faster. 一个为 Obsidian Tasks 打造的行动工作台，减少决策成本，让你更快开始行动。