What tools help you monitor specific keywords or topics in real time?

Monitoring Reddit for specific keywords — whether your brand name, a competitor, a technology topic, or a research subject — without manually checking the platform repeatedly requires either native Reddit features or third-party tools, depending on the level of sophistication needed. Reddit's own search function can be used as a coarse monitoring mechanism. Saving a search query as a bookmark and checking it periodically surfaces recent posts matching your keywords, but this approach is manual and misses content quickly buried by new activity. Reddit's search results also exclude some content due to indexing delays, making it unreliable for time-sensitive monitoring. F5Bot is a free, purpose-built Reddit keyword alert service. Users register keywords, and F5Bot sends email notifications whenever those keywords appear in new Reddit posts or comments. It is widely used for personal and small-scale brand monitoring because of its simplicity and zero cost. The service handles the polling and notification automatically, requiring no technical setup beyond creating an account and entering keywords. For more comprehensive monitoring across multiple platforms including Reddit, commercial tools like Brand24, BrandMentions, Mentionlytics, and Sprout Social track keyword mentions and send alerts on configurable schedules. These platforms offer sentiment analysis, trend visualization, and reporting features that go beyond raw mention alerts. GummySearch is a Reddit-specific research tool that allows keyword tracking within subreddits and provides analytics oriented toward founders and product managers doing market research. For technical users, the Reddit API can be queried directly for new posts matching search parameters, and streaming APIs allow near-real-time monitoring of new submissions. Building a custom keyword monitor using PRAW — Python Reddit API Wrapper — is a common approach for teams that need data fed directly into internal dashboards or Slack channels. The Reddit API's free tier allows 100 queries per minute, which is sufficient for continuous monitoring of most keyword sets without incurring commercial access fees.