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Halo Overlay
Halo Overlay is a minimal AI assistant desktop application that floats over live conversations to provide real-time suggestions and audio transcripts.
Halo is a minimal AI assistant that floats over your screen during live conversations. It listens to speech using a microphone and system audio capture, processes screen keyframes, and generates short, real-time suggestions for what to say or do. The software supports any OpenAI-compatible model including Gemini, Groq, OpenAI, OpenRouter, Ollama, and LM Studio. It is designed for interviews, meetings, sales, negotiations, presentations, and study sessions. Key features include an auto-answer mode, session history with markdown export, custom profiles, and a rewind function to catch up on missed conversation context. API keys are securely encrypted using the operating system storage, and all sessions are saved locally.
Halo Overlay at a glance
Key features
- Listens to system audio and microphone inputs
- Captures screen keyframes with a change detector
- Generates real-time conversational suggestions
- Provides a rewind function for missed context
- Saves session history and exports to Markdown
- Includes customizable profiles for interviews and meetings
- Offers global keyboard shortcuts for quick actions
Use it for
- Preparation and live assistance for job interviews
- Real-time prompting during sales calls and negotiations
- Summarizing meetings and study sessions
- Generating quick responses during presentations
Alternatives to Halo Overlay
- Raycast — It combines system commands, extensions, and AI into one fast keyboard launcher.
- SpeechShield — Provides answers from your resume and notes hidden from screen shares.
- Arc AI — Acts directly on the current screen without copying, pasting, or app switching.
- ShareCube — Publish agent artifacts to URLs for team annotation and editing.
- Motion — Auto-scheduling calendar that rebuilds the day as priorities change
- Ontor.ai — On-device analysis with optional cloud backup.
- Koi — Dictates offline in 100 languages with an all-in-one Mac tool.
- MindMesh — Ranks tasks by urgency and keeps data private with local-first architecture.
- Trim 1 — Runs on one CPU core in milliseconds with no GPU or network calls required.
- ThinkBoard — Edit Obsidian canvases instantly from a dashboard overlay above your desktop.
- Quello — Ask across Notion, GitHub, Google Drive, and PDFs with exact-source citations.
- Openbroca — AI cleanup and translation turn messy speech into ready-to-send text directly in your apps.
All Halo Overlay alternatives