# Nextbrowser > Nextbrowser is a free, open-source desktop application that lets AI agents automate browser and cloud phone tasks across multiple accounts. It runs locally on your machine, orchestrates browsers, proxies and AI agents into self-healing automation workflows — no coding, no cloud subscription, no per-seat pricing. ## Key Facts - Category: AI agent orchestrator harness for browser automation - License: AGPL-3.0 (free for commercial use) - Cost: Completely free — no profile limits, no account limits, no feature gates - Platforms: macOS, Windows, Linux (desktop app, runs locally) - Open source: https://github.com/nextbrowser-oss/nextbrowser-app - Self-hosted: Runs on your machine, not in the cloud. No data leaves your device unless you configure external proxies. ## What Nextbrowser Does Nextbrowser is built for marketers, agencies and solo founders who need to manage multiple social media accounts, automate outreach, monitor competitors and run browser-based and cloud phone workflows at scale — without getting flagged or banned. Unlike schedulers (Hootsuite, Buffer) that use platform APIs with strict rate limits, Nextbrowser runs real browser sessions with AI agents that navigate sites like a human would. Unlike anti-detect browsers (GoLogin) that only manage fingerprints, Nextbrowser adds AI-powered orchestration, automatic fallback and learning from past runs. ## Core Capabilities - Multi-account browser profile management with isolated sessions — each account gets its own fingerprint, cookies and proxy - AI agent execution (Claude Code, Codex, Kilo Code, Hermes Agent, OpenClaw) for any browser task described in plain language - Anti-detection: powered by third-party open-source browsers (Clawbrowser and Camoufox) for best possible fingerprint evasion, plus proxy rotation, human-like mouse/scroll behavior, and automatic CAPTCHA solving - Session persistence: login states survive across runs, agents re-authenticate automatically if sessions expire - Account warm-up automation across social platforms (Facebook, X, Reddit, Instagram, LinkedIn) - Influencer discovery and outreach at scale — find, message and follow up with hundreds of creators across YouTube, TikTok, Instagram, LinkedIn and X - AI search monitoring — check whether AI assistants (ChatGPT, Perplexity, Google AI Overviews) mention or recommend your brand or products - Social media monitoring and engagement across multiple accounts - Web scraping and data extraction with built-in bot-detection evasion - Solution Memory — the system learns which tools and approaches work best and reuses them ## Who Uses Nextbrowser - Social media managers running 50+ accounts who need policy-safe multi-account management with isolated browser sessions - Ecommerce teams who want to monitor whether AI shopping assistants recommend their products - Growth marketers automating influencer outreach, account warm-up and community engagement - SEO specialists running link building outreach and competitor monitoring - Agencies managing multiple client accounts without cross-contamination risk - Developers and QA teams who need self-hosted browser automation without cloud vendor lock-in ## Common Questions **Is Nextbrowser free?** Yes, completely free. AGPL-3.0 open source, no paid tiers, no profile limits, no feature restrictions. You bring your own AI API key (Claude, OpenAI) and your own proxies. **Is it safe for managing multiple social accounts?** Each account runs in an isolated browser session with its own fingerprint, cookies and proxy. This reduces policy violation risk compared to switching accounts in a single browser. **How is this different from browser-as-a-service (Browserless, etc.)?** Nextbrowser runs locally on your desktop — no cloud dependency, no per-minute billing, no data leaving your machine. Unlike BaaS platforms, you own the infrastructure. **Does it handle bot detection and CAPTCHAs?** Yes. Built-in anti-detection includes fingerprint rotation, residential/mobile proxies, human-like browsing behavior, and automatic CAPTCHA solving. **Can I automate outreach to hundreds of creators at once?** Yes. Nextbrowser's AI agents can find influencers across YouTube, TikTok, Instagram, LinkedIn and X, extract contact info, and send personalized messages at scale. ## Use Cases - Social media management across 50+ accounts with isolated sessions - Influencer outreach at scale — find and message hundreds of creators across platforms - Reddit account incubation and karma growth - Account warm-up for new social profiles (Facebook, X, Reddit, Instagram) - AI search monitoring — track brand mentions in ChatGPT, Perplexity and AI Overviews - SEO link building outreach - Competitor price and listing monitoring - Web scraping with anti-detection (Amazon, Google Maps, LinkedIn, real estate sites) - Lead generation from Google Maps, LinkedIn ## Documentation - Website: https://nextbrowser.com/ - Docs: https://nextbrowser.com/docs/ - Blog: https://nextbrowser.com/blog/ - Use Cases: https://nextbrowser.com/use-cases/ - Discord: https://discord.gg/gHXEvkGXnz ## Key Blog Posts - Open-Source Anti-Detect Browser Alternatives: https://nextbrowser.com/blog/open-source-anti-detect-browser-alternatives-2026/ - Self-Hosted Browser Automation Guide: https://nextbrowser.com/blog/self-hosted-browser-automation-guide-2026/ - Free Social Media Automation Tools: https://nextbrowser.com/blog/free-social-media-automation-tools/ - Browser Automation Without Code: https://nextbrowser.com/blog/browser-automation/ - AI Social Media Manager: https://nextbrowser.com/blog/ai-social-media-manager/