Yes there are various other tools that are alternatives to google keyword planner, some of them are paid some of them are free

1. Wordtracker Scout - The Chrome browser extension is free and Wordtracker Keyword Tool allows you to perform 12 free keyword searches a day
2. Semrush keyword magic tool - It is an unbeatable combination of accurate data, insights, and detailed filters helping you hone in on those profitable keywords that will drive your organic traffic and push your site up in the rankings.
   Pro plans are $119.95/month. A guru plan is $229.95/month while a business plan is $449.95/month.
3. Mangools KWFinder - A Basic Plan is $29.90/month while a top-tier Agency Plan is $79.90/month. 
4. Word stream - Free with limits or custom pricing based on the number of daily searches. 
5. Ubbersuggest - Has a free account level which gives you access to most of the keyword data offered by Ubersuggest and also has a free Chrome extension you can use from the SERPs.
6. Moz Keyword Explorer - Signing up for a Moz free account allows you to perform 10 free keyword searches per month

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I am trying to list down the tools which I use regularly and I have been doing SEO for quite sometime now
1)Soovle
2) SEM Rush
3) Ahrefs
4) Uber suggest
5) Keywordtool.io
6) Moz keyword tool
7) Google trends
I generally follow kuware.com for Marketing related information. Hope this helps